| |||
集水坑抽水; 集水井抽水 | |||
集水沟抽水 | |||
| |||
油池〔排除积水〕泵 | |||
水坑泵 | |||
地沟水泵 | |||
潜水泵; 排水泵; 排除積水泵 | |||
集水井泵 | |||
油池泵; 集水坑泵 | |||
污水泵 | |||
排污泵 | |||
污水坑抽水泵 | |||
深井泵; 集水泵; 井底水窝水泵; 浅池泵; 排除积水泵; 水窝泵; 水舱泵; 坑内吸水泵 | |||
| |||
污油泵 |
sump pumping : 25 phrases in 6 subjects |
Chemistry | 1 |
Electronics | 4 |
Engineering geology | 3 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Technology | 13 |