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| 不透［水］土壤 | |||
| 空气、水、植物根系等不能透过的不透性土 | |||
| 不透水土 | |||
| 黏性土 (壤); 渗透性不良土壤; 不透性土; 不透水土 (壤); 不可渗透的土壤 | |||
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impervious soil : 8 phrases in 3 subjects |
| Bridge construction | 4 |
| Hydroelectric power stations | 3 |
| Technology | 1 |
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