... 专用试验煤样 test sample of coal 共用煤样 common sample of coal 全水分煤样 moisture sample of coal ...
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common sample of coal
普通煤样
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The results manifested that the floatation effect of BET is better than that of other common floatation reagents and has a higher selectivity especially in high-sulfur coal sample floatation.
实验结果表明，BET的浮选效果要优于普通煤用浮选药剂，尤其是用于高硫煤的浮选时，它有很强的选择性。
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