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| 防水薄层; 防水膜 | |||
| 防水薄层; 阻水层; 防水隔膜; 刚性的防渗心墙; 防渗斜墙; 防渗护面; 防渗地下连续墙 | |||
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water-tight diaphragm : 1 phrase in 1 subject |
| Technology | 1 |
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