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| 垂直排水管〔体〕 | |||
| 垂直排水管 | |||
| 沼泽填土中的，供排水用砂柱; 竖直排水; 竖沟; 垂直排水管 (pipe); 竖向排水; 斜排水 | |||
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vertical drain : 12 phrases in 5 subjects |
| Bridge construction | 1 |
| Construction | 2 |
| Electronics | 1 |
| Engineering geology | 2 |
| Technology | 6 |
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