混中塊煤 的英文怎麼說
中文拼音 [húnzhōngkuāiméi]
混中塊煤
英文
mixed medium-sized coal-
The effects of different drawing interval and top - coal fragmental size on flow character of coal - gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top - coal
分析了不同放煤步距、頂煤塊度對放煤過程中煤矸砂流動形態、混矸程度的影響。
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