ZY32001432型掩护式液压支架-论文同学网 关键词：液压支架、ZY3200、掩护式、结构设计、采煤机械 [gap=1305]Keywords : hydraulic support, ZY3200, shield, structural design, mechanical mining
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... coal cutting pick 挖煤镐 coal cutting machinery 采煤机械 coal cutter coal cutting machine 截煤机 ...
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... International Mining Machinery Ltd 中升集团和国际煤机集团 coal mining machinery 采煤机械 Mining machinery terminology 矿山机械术语 ...
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国有重点煤矿采煤机械化程度超过80%。
The fully mechanized mining rate exceeds 80% in large state-owned mines.
随着采煤机械化能力的提高，通风技术也在一定程度上进行了一些改进。
As the higher ability of coal mechanization, to some extent, the ventilation technology has been improved.
采煤机直接用于煤炭的地下开采，是煤炭生产中最主要的机械设备之一。
Coal mining machine USES in the coal directly underground mining, is in the coal production one of most main mechanical devices.
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