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| 压重填土; 反压填方 | |||
| 反压台; 平衡重填土; 平衡压重填土; 平衡填方; 平衡填土; 均衡填土; 软地基填土四周的压边填土 | |||
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counterweight fill : 2 phrases in 1 subject |
| Engineering geology | 2 |
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