Adding different quantity of water to different quality of coal can effectively eliminate environmental pollution by coal powder produced in the course of coal handling.
对不同的煤种加入不同的水量，可以有效地消除运输中煤粉对环境的污染。
Adding different quantity of water to different quality of coal can effectively eliminate environmental pollution by coal powder produced in the course of coal handling.
对不同的煤种加入不同的水量，可以有效地消除运输中煤粉对环境的污染。
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