drop inlet
| culvert
| drop inlet | |
| bridg.constr. | 跌水式进水口 |
| hydroel.st. | 跌水进口 |
| hydrol. | 落底式进水口; 堕 式进水口 |
| culvert | |
| desert. | 暗沟; 排水渠 |
| hydroel.st. | 涵洞; 电缆管道 |
| met. | 阴沟; 暗渠 |
| oil | 沟道; 下水道; 线渠 |
| |||
| 跌水式进水口 | |||
| 跌水进口 | |||
| 落底式进水口; 堕〔落底〕式进水口 | |||
| 堕式进水口; 跌落式进水口 | |||
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drop inlet : 9 phrases in 3 subjects |
| Bridge construction | 2 |
| Hydroelectric power stations | 2 |
| Technology | 5 |