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Explosives and Explosive Ordnance Disposal
containing
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An ongoing need to reduce costs, and an increasing emphasis on the health and safety of mineworkers,together with the growing influence of technically skilled graduates resulted in increased attention being paid to explosives technologies during the late eighties and
early
nineties of the previous century
由于有降低成本的需要、重视矿工的健康和安全的问题以及随着毕业生技术水平的日渐提高、导致我们在20世纪的80年代末和90年代初越来越关注炸药技术的应用
Connectors with built-in delay detonators, allowing the design of complex delay shots, became available as
early
as the 1950s
装有嵌人式延时雷管的连接器早在20世纪50年代已付诸使用、借此进行程序复杂的延时爆破设计
early
burst
早爆
early
-warning system
预警系统
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