易碎煤 的英文怎麼說
中文拼音 [yìsuìméi]
易碎煤
英文
lively coal-
Supporting technology with meshing and bolting in high gas, inflammable, soft - broken coal seam
高瓦斯易燃松軟破碎煤層錨網支護技術Mine fire control in fully mechanized coal caving face in high gassy flammable soft broken seam
高瓦斯易燃松軟破碎煤層綜放工作面火災的防治
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