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| 集污尘器; 污物捕捉器 | |||
| 挡〔集〕渣器 | |||
| 污垢阱; 污泥阱 | |||
| 挡渣器; 集渣器 | |||
| 吸尘罩; 防尘罩 | |||
| 污染阱; 不纯净的阱; 集污器; 集尘器; 排污阀; 收泥器; 焦渣器 | |||
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| 挡〔集〕渣器 | |||
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dirt trap : 2 phrases in 1 subject |
| Engineering geology | 2 |
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