您要查找的是不是：
- Hartmann管Hartmann tube
- 管pipe
- 管的vasal
- 网管network management
- 管路pipeline
- Hartmann势Hartmann potential
- 品管QA
- 一般Hartmann势Generalized Hartmann potential
- 高管senior executive
- Hartmann传感器Hartmann sensor
- 弯管syphon
- Hartmann-Shack传感器H artmann-Shack sensor
- 排气管vent-pipe
- Hartmann势加新环型势Hartmann potential plus a new ring-shaped potential
- 风管wind pipe
- 管件pipe fittings
- 配管tubing
- 热管thermotube
- 信管fuse
- 盘管pipe coil
