... 爆破作业 뒠 blasting 爆破作业单位 blasting unit 持有爆破作业单位许可证从事爆破作业的单位，分非营业性和营业性两类。非营业性爆破作业单位 E ...
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... 引爆链 chain of initiation 引爆器 blasting machine; blasting unit; blastingmachine; det; initiator; trigger 引爆手 shot firer ...
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This unit group includes excavating, grading, paving, drilling and blasting contractors who own and operate their own business.
本单元组包括拥有和经营自己生意的挖掘，分级，铺路，钻井和爆破承建商。
A new type of close blasting network system of Nonel tube with four-path reflecting unit as a connector has been developed and its application in mining is realized.
文中对一种矿山新型的导爆管反射四通闭合起爆网路系统进行了可靠性试验、分析和现场应用，效果良好。
The empirical unit consumption of explosive under special conditions is considered as a proper blasting strength, from which the calculation formula for the blasting of cylindrical charge is derived.
再把特定条件下的经验单耗视为合适的爆破作用强度，从而导出柱状药包爆破的计算公式。
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