removal concentration of dust
removal concentration of dust
粉尘去除浓度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Execution of the mission is clear out dust ash, dust removal equipment down from the cabinet, so the drained away in a big on the small ash hopper, the dirt concentration up eduction.
执行清灰任务的是清灰装置，清除下来的灰尘要从箱体中排走，所以在箱体下面设有上大下小的灰斗，将灰尘集中起来排出。
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