点击图片查看原图
公司销售QQ:3476706755
公司邮件：3476706755@qq.com
公司电话：13971410600
联系人：普斯威德
DLHZO-TE-040-L33-40
DLHZO-TE-040-L73/I
DLHZO-TE-040-L73-40
RZGO-TERS-PS-010/100/I
RZGO-TERS-PS-033/210/I
MAP-080/E20
PFG-142-DX
DHE-2/0631-23
DLOH-2C/220/50AC
MAP-160/E 220AC
AGAM-10/10/350-V
DH-0151-50
AQFR-25
ARE-15/75
DPZO-AE-271-S5/E1+SP-ZH-7P
DHI-0713/2-X24DC
AGAM-10/10/210
DPZO-A-271-L5/D 30
DPZO-A-271-L5/E 30
DPZO-A-271-L5/G 30
DPZO-A-271-S5
DPZO-A-271-S5/D
DPZO-A-271-S5/DE 30
DPZO-A-271-S5/DG 30
DPZO-A-271-S5/E 30
DPZO-A-271-S5/G
DPZO-A-273-D5
DPZO-A-273-D5/G
DPZO-A-273-L5 30
DPZO-A-273-L5/D 30
DPZO-A-273-L5/D 30 /WG
DPZO-A-273-L5/DG
DPZO-A-273-L5/E 30
DPZO-A-273-L5/G 30
DPZO-A-273-S3
map-320/20
E-MI-AC-01F
E-ATR-7/160
PFE-31044-1DT
DHZO-T-071-L3 DC24V
AGRZO-A-10/100
RZMO-P1-010/100-20
DKZO-R-A-171-D5
PFE-31022 E-BM-AC-05F 11 /3
E-BM-AC-05F 11 /4
E-BM-AC-05F/RR 11 /3
E-ME-AC-01F 20
E-ME-AC-01F 20 /1
E-ME-AC-01F 20 /2
E-ME-AC-01F 20 /3
E-ME-AC-01F 20 /4
E-ME-AC-01F 20 /6
E-ME-AC-01F 20 /A1
E-ME-AC-01F 20 /A2
E-ME-AC-01F 20 /A4
E-ME-AC-01F/4R-4 20
E-ME-AC-01F/4R-4 20 /2
E-ME-AC-01F/4R-4 20 /3
E-ME-AC-01F/4R-4 20 /6
E-ME-AC-01F/I 20
E-ME-AC-01F/I 20 /2
E-ME-AC-01F/I 20 /4
E-ME-AC-01F/I 20 /6
E-ME-AC-01F/RR 20 /4
E-ME-AC-01F/RR 20 /A2
E-ME-AC-01F/RR-4 20
E-ME-AC-01F/RR-4 20 /3
E-ME-AC-01F/RR-4 20 /6
E-ME-AC-01F-4 20 /2
E-ME-AC-05F 20
E-ME-AC-05F 20 /2
E-ME-AC-05F 20 /3
E-ME-AC-05F 20 /4
E-ME-AC-05F 20 /A3
E-ME-AC-05F/4R-4 20 /3
E-ME-AC-05F/4R-4 20 /4
E-ME-AC-05F/I 20
E-ME-AC-05F/I 20 /3
E-ME-AC-05F/I 20 /4
E-ME-AC-05F/RR 20
E-ME-AC-05F/RR 20 /3
E-ME-AC-05F/RR 20 /4
E-ME-AC-05F/RR-4 20 /3
E-ME-AC-05F/RR-4 20 /4
E-ME-AC-05F-4 20 /3
E-ME-AC-05F-4 20 /4
E-ME-K-PID
E-ME-L-01H 40 /DL17SA
E-ME-L-01H 40 /DL26SB
E-ME-L-01H 40 /DL27SB
E-ME-L-01H 40 /DL27SB
E-ME-L-01H 40 /DL27SB
E-ME-L-01H 40 /DL35SB
E-ME-L-01H 40 /DL67SA
E-ME-L-01H 40 /LQ22SA
E-ME-L-01H 40 /LQ32SA
E-ME-L-01H 40/DL27SB
E-ME-L-01H 40/PCNNSA
E-ME-L-01H/DL27SB
E-ME-L-01H/I 40 /LQ32SA
E-ME-T-01H 40 /DH04SA
E-ME-T-01H 40 /DH05SA
E-ME-T-01H 40 /DK14SC
E-ME-T-01H 40 /DK15SB
E-ME-T-01H 40 /QV0NSA
E-ME-T-01H 40 /TK14AA
E-ME-T-01H 40 /TK14SC
E-ME-T-01H 40 /TQ25SA
E-ME-T-01H 40 /TQ32SA
E-ME-T-01H 40 /TQ42SA
E-ME-T-01H 40/DK14SC
E-ME-T-01H 40/DK15SB
E-ME-T-01H 40/QV1NSB
E-ME-T-01H 40/TQ25SA
E-ME-T-01H/I 40 /DH04SA
E-ME-T-01H/I 40 /DK14SC
E-ME-T-01H/I 40 /DP25SB
E-ME-T-01H/I 40 /DP25SC
E-ME-T-01H/I 40 /QV0NSA
E-ME-T-01H/I 40 /TQ25SA
E-ME-T-01H/I 40/DK15SB
E-ME-T-01H/I 40/QVONSA
E-ME-T-01H/I 40/TQ25SA
E-ME-T-05H 40 /DH07SA
E-ME-T-05H 40 /DK17SA
E-ME-T-05H 40 /DK17SB
E-ME-T-05H 40 /DP27SB
E-ME-T-05H 40/DH07SA
E-ME-T-05H 40/DK17SB
DKE-1613/AFC 24DC 3DREPE6C-2025EG24N9K31/A1M(R900955784)
3DREP6C-2X/25EG24N9K4/M
R900954474 3DREP6A-2X/16EG24K4/M
R900954417 3DREP6A-2X/25EG24K4/M
R900954418 3DREP6A-2X/45EG24K4/M
R900954419 3DREP6C-2X/16EG24K4/M
R900954420 3DREP6C-2X/25EG24K4/M
R900954421 3DREP6C-2X/45EG24K4/M
R900954422 3DREPE6A-2X/16EG24K31/A1M
R900954423 3DREPE6A-2X/25EG24K31/A1M
R900954424 3DREPE6A-2X/45EG24K31/A1M
R900954425 3DREPE6C-2X/16EG24K31/A1M
R900954427 3DREPE6C-2X/25EG24K31/A1M
R900954428 3DREPE6C-2X/45EG24K31/A1M
力士乐变量柱塞泵
德国力士乐柱塞泵A10VSO 10排量：
A10VSO10DR/52R-PPA14N00 A10VSO
18排量：
A10VSO18DR/31R-PPA12N00
A10VSO18DR/31R-PPA12K01
A10VSO18DFR1/31R-PPA12N00
A10VSO18DFR1/31R-PPA12N00
A10VSO18DFR1/31R-PPA12K01
A10VSO18DFR/31R-PPA12N00
A10VSO18DFLR/31R-PPA12N00
A10VSO18DG/31R-PPA12N00
A10VSO18DRG/31R-PPA12N00
A10VSO18DFE1/31R-PPA12N00
A10VSO18FHD/31R-PPA12N00
A10VSO18ED/31R-PPA12N00
德国力士乐柱塞泵A10VSO 28排量：
A10VSO28DR/31R-PPA12N00
A10VSO28DR/31R-PPA12K01
A10VSO28DFR1/31R-PPA12N00
A10VSO28DFR1/31R-PPA12N00
A10VSO28DFR1/31R-PPA12K01
A10VSO28DFR/31R-PPA12N00
A10VSO28DFLR/31R-PPA12N00
A10VSO28DG/31R-PPA12N00
A10VSO28DRG/31R-PPA12N00
A10VSO28DFE1/31R-PPA12N00
A10VSO28FHD/31R-PPA12N00
A10VSO28ED/31R-PPA12N00
德国力士乐柱塞泵A10VSO 45排量：
A10VSO45DR/31R-PPA12N00
A10VSO45DR/31R-PPA12K01
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12K02
A10VSO45DFR/31R-PPA12N00
A10VSO45DFR/31R-PPA12K01
A10VSO45DFR/31R-PPA12K26
A10VSO45DFLR/31R-PPA12N00
A10VSO45DG/31R-PPA12N00
A10VSO45DRG/31R-PPA12N00
A10VSO45DFE1/31R-PPA12N00
A10VSO45FHD/31R-PPA12N00
A10VSO45ED/31R-PPA12N00
A10VSO71DG/32R-VPB12N00
A10VSO71DR/32R-VPB12N00
A10VSO71DRF/32R-VPB12N00
A10VSO71DRS/32R-VPB12N00
A10VSO71DFE1/32R-VPB12N00
A10VSO71DRG/32R-VPB12N00
A10VSO71ED/32R-VPB12N00
A10VSO71ED/32R-VPB22U99
A10VSO71DG/32R-VPB22U99
A10VSO71DR/32R-VPB22U99
A10VSO71DRF/32R-VPB22U99
A10VSO71DRS/32R-VPB22U99
A10VSO71DFE1/32R-VPB22U99
A10VSO71DRG/32R-VPB22U99
A10VSO71DFR1/32R-VPB22U99
此泵流量与驱动转速和排量成比例
摇架轴承的静压卸载
在泵出口有装压力传感器的油口
低噪声
压力脉动小
效率高
耐气穴，吸油压降和壳体压力峰值的能力强
通用通轴驱动
A10VSO100DG/32R-VPB12N00
A10VSO100DR/32R-VPB12N00
A10VSO100DRF/32R-VPB12N00
A10VSO100DRS/32R-VPB12N00
A10VSO100DFE1/32R-VPB12N00
A10VSO100DRG/32R-VPB12N00
A10VSO100ED/32R-VPB12N00
A10VSO100ED/32R-VPB22U99
A10VSO100DG/32R-VPB22U99
A10VSO100DR/32R-VPB22U99
A10VSO100DRF/32R-VPB22U99
A10VSO100DRS/32R-VPB22U99
A10VSO100DFE1/32R-VPB22U99
A10VS100DRG/32R-VPB22U99
A10VSO100DFR1/32R-VPB22U99经销德国BOSCH REXROTH(博世-力士乐)液压元件：柱塞泵A10VSO、换向阀阀4WE、溢流阀DBW、
节流阀Z2S、叶片泵PV7、压力继电器HED、博世放大器比例阀0811、齿轮泵0510等系列大量现货
择带护罩的应急手动操作，电感应式限位开关,…
M-3SEW6U30/420MG205N9K4
M-3SEW6U30/420MG24N9K4
M-2SEW6N30/420MG205N9K4
M-3SEW6P30/420MG205N9K4
M-3SED6CK1X/350CG24N9K4
M-3SED6CK14/350CG24N9K4+Z4
M-3SED6CK14/350CG24N9XNZ4/V
M-3SED6CK1X/350CG24N9XNK4/B15V+Z14
M-3SED6CK13/350CG205N9K4/V
M-3SED6UK13/350G24N9K4
M-3SED6UK13/350G24N9K4
M-3SED6UK1X/350CG24N9K4QMBG24/B15
M-3SED10CK13/350CG24N9K4
M-3SED10CK13/350CG24N9K4/V
M-3SED10CK1X/350CG24N9K4/B20
M-3SED10UK13/350CG24N9K4
M-3SED10UK1X/350CG24N9K4/B12
M-4SED6D1X/350CG24N9K4
M-4SED10Y1X/350CG24N9K4
M-2SEW6P/3X/420MG24N9K4
M-3SEW6C3X/420MG24N9K4+057292
M-3SEW6C36/420MG24N9K4
M-3SEW6U3X/420MG24N9K4
M-3SEW6U3X/420MG24N9K4
M-3SEW6U3X/420MG24N9K4+Z5L
M-3SEW6U36/420MG205N9K4/B12
M-3SEW6U30/420MG24N9Z4
M-3SEW6UK3X/420MG24N9K4
M-3SEW10C1X/420MG24N9K4/B12
M-3SEW10U14/420MG24N9K4/B15
M-3SEW10U14/420MG24N9K4
M-3SEW10C1X/420MG24N9K4
M-4SEW6D36/420WG24N9K4
M-3SED10UK1X/350CG24N9K4
M-3 SED 10型 和M-4SED 10型2位3通和2位4通截止式电磁方向阀；通径10,1X系列， 高压力350， 大流量40，油温介质，-30至+30，重量2.6，/3.9
；M-3 SED 10型 和M-4SED 10型：直动式电磁方向截止阀；安装面按DIN 24340 A型，，不带定位销孔(标准型)；安装面按ISO4401和CETOP-RP121H，带定位销孔；封闭油口为无泄漏式封闭，即使长期处于高压状态，可更换线圈的湿式直流电磁铁，电磁铁线圈可转过90度，更换线圈时 无需打开耐压腔，独立电器连接，可选择带护罩的应急手动操作，电感应式限位开关，可选。
R901022752 M-3SEW6C3X/420MG24N9Z2/B08VSO864
R900619587 M-3SEW6C3X/630MG110N9K4/P
R900618958 M-3SEW6C3X/420MG48N9K4/B20
R900573247 M-3SEW6U3X/420MG24N9K4/B10
R900572244 M-3SEW6U3X/420MG24N9K4/P
R900572095 M-3SEW6U3X/630MG24N9K4/B10
R900571657 M-3SEW6U3X/420MG24N9K4/B12
R900571656 M-3SEW6C3X/420MG24N9K4/B20
R900570812 M-3SEW6C3X/420MG25N9Z2/B15VSO214
R900570811 M-3SEW6C3X/420MG25N9Z2/B15VSO172
R900570744 M-3SEW6U3X/420MG96N9K4
R900570516 M-3SEW6U3X/420MG24N9K4/B15
R900570252 M-3SEW6C3X/420MG96N9K4
R900570174 M-3SEW6U3X/420MG24N9K4/V
R900569890 M-3SEW6C3X/420MG24K4
R900569794 M-3SEW6U3X/420MG24K4
R900569750 M-3SEW6C3X/420MG24N9K4/P
R900566289 M-3SEW6U3X/630MG24N9K4
R900566283 M-3SEW6U3X/420MG24N9K4
R900566279 M-3SEW6C3X/630MG24N9K4
R900566273 M-3SEW6C3X/420MG24N9K4
R901120663 M-3SEW6U3X/420MG24N9K33L/PSO407=AN
R901119449 M-3SEW6C3X/420MG110EZ2/V
R901119187 M-3SEW6U3X/420MG220N4K4/B08
R901119183 M-3SEW6U3X/420MG24N4K4/B08
R901116937 M-3SEW6U3X/420MG220N4K4
R901115195 M-3SEW6C3X/420MG24N9K4QMAG24/P
R901115167 M-3SEW6U3X/420MG24N9K4QMAG24/P
R901112937 M-3SEW6C3X/630MG24K4/P
R901111556 M-3SEW6U3X/420MG110N4K4
R901105294 M-3SEW6C3X/630MG110N9K4/V
R901104518 M-3SEW6U3X/420MG24N4K4QMBG24
R901100377 M-3SEW6U3X/630MG96N9K4/B10V
R901095853 M-3SEW6U3X/630MG48N9K4/B10V
R901094253 M-3SEW6U3X/420MG24N9Z2/B08VSO864
R901090250 M-3SEW6C3X/420MG24N4K4/B12V
R901079328 M-3SEW6U3X/420MG220N9K4/B18
R901072250 M-3SEW6C3X/420MG180N9K4/V
R901070884 M-3SEW6U3X/420MG220N9K4YAW
R901069197 M-3SEW6C3X/630MG96N9K4/B12V
R901068564 M-3SEW6C3X/420MG24N9K4/B25
R901068563 M-3SEW6C3X/420MG24N9K4/B06
R901067845 M-3SEW6C3X/420MW110RN9XEZ2/V
R901066982 M-3SEW6U3X/420MG25N9Z2/B08VSO214
R901063307 M-3SEW6U3X/420MG60N4K4
R901064636 M-3SEW6C3X/630MG110N9K4/B10
R901058878 M-3SEW6U3X/420MG24N9XEZ2/V
R901055745 M-3SEW6C3X/420MG205N9K4/B18
R901055293 M-3SEW6U3X/420MG24N9K4QMBG24/P
R901039966 M-3SEW6U3X/630MG110N9K4/V
R901032539 M-3SEW6C3X/420MG24N9XEZ2/V
R901028327 M-3SEW6C3X/420MG24N9XEZ2/B08V
R901025079 M-3SEW6U3X/420MG110N9K4/B22V
R901023175 M-3SEW6C3X/630MG12K4/V
R901022752 M-3SEW6C3X/420MG24N9Z2/B08VSO864
R901022188 M-3SEW6C3X/420MG24N4K4/P
R901022090 M-3SEW6C3X/420MG24N9XEZ2
M-3SEW6U30/420MG205N9K4
M-2SEW6N30/420MG205N9K4
M-3SEW6P30/420MG205N9K4
M-3SED6CK1X/350CG24N9K4
M-3SED6CK14/350CG24N9K4+Z4
M-3SED6CK14/350CG24N9XNZ4/V
M-3SED6CK1X/350CG24N9XNK4/B15V+Z14
M-3SED6CK13/350CG205N9K4/V
M-3SED6UK13/350G24N9K4
M-3SED6UK13/350G24N9K4
M-3SED6UK1X/350CG24N9K4QMBG24/B15
M-3SED10CK13/350CG24N9K4
M-3SED10CK13/350CG24N9K4/V
M-3SED10CK1X/350CG24N9K4B20
M-3SED10UK13/350CG24N9K4
M-3SED10UK1X/350CG24N9K4/B12
M-4SED6D-1X/350CG24N9K4
M-4SED10Y1X/350CG24N9K4
M-2SEW6P/3X/420MG24N9K4
M-3SEW6C3X/420MG24N9K4+057292
M-3SEW6C36/420MG24N9K4
M-3SEW6U3X/420MG24N9K4
M-3SEW6U3X/420MG24N9K4
M-3SEW6U3X/420MG24N9K4+Z5L
M-3SEW6U36/420MG205N9K4/B12
M-3SEW6U30/420MG24N9Z4
M-3SEW6UK3X/420MG24N9K4
M-3SEW10C1X/420MG24N9K4/B12
M-3SEW10U14/420MG24N9K4/B15
M-4SEW6D36/420WG24N9K4
M-3SED10UK1X/350CG24N9K4
R901022752 M-3SEW6C3X/420MG24N9Z2/B08VSO864
R900619587 M-3SEW6C3X/630MG110N9K4/P
R900618958 M-3SEW6C3X/420MG48N9K4/B20
R900573247 M-3SEW6U3X/420MG24N9K4/B10
R900572244 M-3SEW6U3X/420MG24N9K4/P
R900572095 M-3SEW6U3X/630MG24N9K4/B10
R900571657 M-3SEW6U3X/420MG24N9K4/B12
R900571656 M-3SEW6C3X/420MG24N9K4/B20
R900570812 M-3SEW6C3X/420MG25N9Z2/B15VSO214
R900570811 M-3SEW6C3X/420MG25N9Z2/B15VSO172
R900570744 M-3SEW6U3X/420MG96N9K4
R900570516 M-3SEW6U3X/420MG24N9K4/B15
R900570252 M-3SEW6C3X/420MG96N9K4
R900570174 M-3SEW6U3X/420MG24N9K4/V
R900569890 M-3SEW6C3X/420MG24K4
R900569794 M-3SEW6U3X/420MG24K4
R900569750 M-3SEW6C3X/420MG24N9K4/P
R900566289 M-3SEW6U3X/630MG24N9K4
R900566283 M-3SEW6U3X/420MG24N9K4
R900566279 M-3SEW6C3X/630MG24N9K4
R900566273 M-3SEW6C3X/420MG24N9K4
R901120663 M-3SEW6U3X/420MG24N9K33L/PSO407=AN
R901119449 M-3SEW6C3X/420MG110EZ2/V
R901119187 M-3SEW6U3X/420MG220N4K4/B08
R901119183 M-3SEW6U3X/420MG24N4K4/B08
R901116937 M-3SEW6U3X/420MG220N4K4
R901115195 M-3SEW6C3X/420MG24N9K4QMAG24/P
R901115167 M-3SEW6U3X/420MG24N9K4QMAG24/P
R901112937 M-3SEW6C3X/630MG24K4/P
R901111556 M-3SEW6U3X/420MG110N4K4
R901105294 M-3SEW6C3X/630MG110N9K4/V
R901104518 M-3SEW6U3X/420MG24N4K4QMBG24
R901100377 M-3SEW6U3X/630MG96N9K4/B10V
R901095853 M-3SEW6U3X/630MG48N9K4/B10V
R901094253 M-3SEW6U3X/420MG24N9Z2/B08VSO864
R901090250 M-3SEW6C3X/420MG24N4K4/B12V
R901079328 M-3SEW6U3X/420MG220N9K4/B18
R901072250 M-3SEW6C3X/420MG180N9K4/V
R901070884 M-3SEW6U3X/420MG220N9K4YAW
R901069197 M-3SEW6C3X/630MG96N9K4/B12V
R901068564 M-3SEW6C3X/420MG24N9K4/B25
R901068563 M-3SEW6C3X/420MG24N9K4/B06
R901067845 M-3SEW6C3X/420MW110RN9XEZ2/V
R901066982 M-3SEW6U3X/420MG25N9Z2/B08VSO214
R901063307 M-3SEW6U3X/420MG60N4K4
R901064636 M-3SEW6C3X/630MG110N9K4/B10
R901058878 M-3SEW6U3X/420MG24N9XEZ2/V
R901055745 M-3SEW6C3X/420MG205N9K4/B18
R901055293 M-3SEW6U3X/420MG24N9K4QMBG24/P
R901039966 M-3SEW6U3X/630MG110N9K4/V
R901032539 M-3SEW6C3X/420MG24N9XEZ2/V
R901028327 M-3SEW6C3X/420MG24N9XEZ2/B08V
R901025079 M-3SEW6U3X/420MG110N9K4/B22V
R901023175 M-3SEW6C3X/630MG12K4/V
R901022752 M-3SEW6C3X/420MG24N9Z2/B08VSO864
R901022188 M-3SEW6C3X/420MG24N4K4/P
R901022090 M-3SEW6C3X/420MG24N9XEZ2
R901020259 M-3SEW6C3X/420MG24N9K33L/B10
R901016601 M-3SEW6C3X/420MG24N4K4/V
R901012756 M-3SEW6U3X/420MG96N9K4/B15V
R901010364 M-3SEW6U3X/420MG24N9K4/B20V
R901009116 M-3SEW6C3X/420MG24N9K4/B40
R901006516 M-3SEW6C3X/420MG24N9K4SO407
R900994639 M-3SEW6U3X/630MG205N9K4/B08
R900994504 M-3SEW6C3X/420MG24K33L
R900994396 M-3SEW6C3X/420MG12N9K4
R900993956 M-3SEW6C3X/630MG24K33L/B15
R900992622 M-3SEW6C3X/420MG96N9K4/B18
R900992044 M-3SEW6C3X/420MG125N9K4/B08
R900991592 M-3SEW6C3X/420MG205N9K4/B10
R900991183 M-3SEW6C3X/420MG110K4
R900991112 M-3SEW6U3X/420MG12N9K4
R900990992 M-3SEW6C3X/420MG205N9K4/B22
R900990705 M-3SEW6C3X/630MG125N9K4
R900989850 M-3SEW6C3X/630MG24N9K4/B18
R900988058 M-3SEW6U3X/420MG96N9K4QMAG24/B15
R900987938 M-3SEW6C3X/420MG110N9K4/B10V
R900987662 M-3SEW6C3X/420MG205N9K4/V
R900986447 M-3SEW6U3X/630MG24N9K4/B08
R900985537 M-3SEW6U3X/420MG110N4K4/B20
R900782344 M-3SEW6C3X/420MG24N9K33L
R900780239 M-3SEW6C3X/630MG96N9K4/B06
R900776893 M-3SEW6C3X/630MG24K4/V
R900776443 M-3SEW6C3X/420MG24K4QMAG24
R900776191 M-3SEW6U3X/420MG125N9K4/V
R900773663 M-3SEW6U3X/420MG110N9K4/B15
R900770802 M-3SEW6C3X/420MG24K4/V
R900767142 M-3SEW6U3X/420MG220K4
R900752446 M-3SEW6U3X/420MG96K4/V
R900750085 M-3SEW6C3X/420MG220N4K4
R900749128 M-3SEW6U3X/420MG110N9K4/B08
R900741607 M-3SEW6U3X/420MG205K4
R900740636 M-3SEW6C3X/420MG25N9Z2/B15SO172
R900729690 M-3SEW6C3X/420MG12N9K4/B12V
R900727248 M-3SEW6C3X/420MG24N9K4/B08V
QQ：1325426082广告业务:
