英语词汇“hand cleaning, hand picking”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	hand cleaning, hand picking
释义	hand cleaning, hand picking 手选; 利用煤和杂质在颜色、光泽、外形及密度上的差别，用人工对大块矸石进行分选的选煤方法。
随便看	lever-braked motor Lever Brothers Leverburgh lever chain stopper lever change Lever, Charles James lever chuck lever circuit breaker lever clamp lever collar lever connecting rod lever connection lever contact lever control lever control, cage control (car control) lever controller lever crank mechanism lever-crank mechanism lever de rideau lever dial indicator lever dolly Le Verdon-sur-Mer lever drive lever driven wheelchair lever dump meat mixer

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