dust coal [机] 微粉煤
- In the light of the present situation of the higher magnetite medium consumption in modular-based dust coal washing workshop of Chengzhuang Coalmine, this paper advances some feasible transforming
【中英文摘要】针对成庄矿模块洗末煤车间介耗偏高的现状,运用先进的技术手段进行现场检查、析,提出了可行的改造方案,取得了预期的降耗效果。 - Enclosed case decreases pollution by coal dust.
● 采用密闭壳体,粉尘污染小。 - His face and hands were covered with grime from the coal dust.
他的脸和双手沾满了一层煤灰。
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