英语词汇“coal preparation”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	coal preparation
释义	coal preparation 基本例句选煤 Jigging separation plays a very important part incoal preparation, it is very important to improve the precision of separation.跳汰选煤在选煤中占有重要地位，提高跳汰机的产品分离精度，一直是个重要的研究方向。
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