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| 底沉积物 (sediment); 脚子 (sediment); 【油】炼油残渣 (sediment) | |||
| 沉淀物 | |||
| 河床质; 底脚; 沉渣; 水杂淀积; 底沙; 底部沉积 (物) | |||
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| 底部沉降物 | |||
| 炼油残渣 | |||
| 储罐或容器底部沉渣 | |||
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