... coal grading 煤的分级 coal grit 煤质砂岩 coal heading 沿煤层巷道 ...
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grading of coal 煤炭分级
stability grading of coal seam 煤层稳定型别
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M of Huainan coal, three grading size schemes are used to compare the features of coal water slurry of Huainan single coal and blended coal with different grading sizes.
为了研究粒度级配对淮南煤成浆性能的影响,采用三种粒度级配方案,对淮南煤单煤及配煤成浆性能进行比较。
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