air-dry coal 中文意思是什麼
air-dry coal
解釋
風干煤-
Discussion about the reformation of air dry coal preparation machine
風力干選機改進方法的探討 -
Dynamics of single particles of dry coal separating in the air dense medium fluidized bed
空氣重介質流化床干法分選原理的單顆粒動力學描述
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