 |
| |||
| 疏水井; 排水水井 | |||
| 排水井 | |||
| 渗水井 | |||
| 污水阱; 污水井; 泄水井; 残水井; 排水砂井 | |||
|
drainage well : 50 phrases in 13 subjects |
| Agriculture | 3 |
| Bridge construction | 1 |
| Business | 1 |
| Desert science | 2 |
| Drilling | 1 |
| Ecology | 2 |
| Electronics | 1 |
| Engineering geology | 5 |
| Hydroelectric power stations | 9 |
| Metallurgy | 1 |
| Mining | 2 |
| Oil / petroleum | 1 |
| Technology | 21 |
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