...k⬻NUì~s-=Y¸2R0þ=nDÍ~Öo 关键词: 湿法洗煤;井下选煤;动筛跳汰洗煤机;选煤工艺 [gap=1505]Keywords:wet coal washing;underground coal separation;moving sieve jig;coal preparation process ..
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wet process coal cleaning
... wet process 湿过程 wet process coal cleaning 湿法洗煤 wet-proof 防潮的 ...
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