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矿井支承.支承架.标记
Mine support; strut support; marking
参考页数:3P.;A4
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矿井支承.动力支承的压力极限阀.标识代码
Mine support; yield valves for powered support; identification code
参考页数:2P.;A4
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矿山坑道用锯材.制造工作台用的平木板、厚木板和方形锯木
Sawn pit timber; boards, planks and square-sawn timber for working platforms
参考页数:2P.;A4
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矿山坑道用圆木.螺栓
Round pit timber; bolts
参考页数:1P.;A4
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采矿和坑道掘进工程用锚杆.术语
Rock bolts for mining and tunnelling; terms
参考页数:6P.;A4
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矿井支承.动力支承的开环控制装置的图形符号
Mine support; graphical symbols for the open loop control of powered support
参考页数:5P.;A4
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矿井支护.顶梁单体支柱.长度
Mine support; roof bars single props; lengths
参考页数:1P.;A4
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矿山坑道用锯截木材.背板
Cut pit timber; slabs
参考页数:2P.;A4
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矿山坑道用圆木.技术质量和交付要求
Round pit timber; technical quality and delivery requirements
参考页数:5P.;A4
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矿井和遂道支撑用防护锚栓板
Roof bolt plates for mining and tunnel support
参考页数:1P.;A4
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