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| 填〔衬〕块; 止水塞〔键〕 | |||
| 填料盖板; 、昆凝土填块; 垫板 | |||
| 垫块 | |||
| 止水塞; 楼盖填充块体; 间隔铁 (护轮机); 间隔垫块; 混凝土填块; 衬块; 填块 | |||
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filler block : 19 phrases in 4 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Rail transport | 1 |
| Technology | 16 |
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