dip pipe
... dip penetration浸渍饱和程度 dip pipe水封管 dip plane倾斜面 ...
siphon trap
... siphon pipe 虹吸管 siphon trap 水封管 siphon wick-feed oiler 虹吸油绳加油器 ...
sealing water pipe
... sealing washer 密封垫圈 sealing water pipe 水封管 sealing wax 封蜡 ...
seal water pipe
... seal water leakoff pump 轴封水引漏泵 seal water pipe 水封管 seal water pump 轴封水泵 ...