locked middlings, false middlings
locked middlings, false middlings
[煤炭科技英汉词典]
locked middlings, false middlings夹矸煤
煤和矸石的连生体。一般可用破碎的方法使之分离。
是什么意思,locked middlings, false middlings的解释,locked middlings, false middlings的翻译
locked middlings, false middlings
[煤炭科技英汉词典]
locked middlings, false middlings是什么意思,locked middlings, false middlings的解释,locked middlings, false middlings的翻译