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| 制砖瓦捣捏黏土; 黏土、 砂浆、木屑等隔声材料 | |||
| 隔声层; 隔声材料 | |||
| 捏练; 捏揉 | |||
| 捣捏黏土 | |||
| 捏和; 揉捏; 混捏 | |||
| 隔音材料; 隔音层 | |||
| 楼板隔声材料; 黏土捣塑; 填塞泥土隔墙; 练泥 | |||
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pugging : 12 phrases in 3 subjects |
| Engineering geology | 2 |
| Metallurgy | 3 |
| Technology | 7 |
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