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Explosives and Explosive Ordnance Disposal
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English
Chinese
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
It might be argued that measurements of gas concentrations arising from real field conditions could provide an improved approach,however such programs would
need
to cover a wide range of conditions and explosives and could be prohibitively expensive and time-consuming
然而、这样的测量需要涵盖多种条件和炸药、且可能因耗费大、耗时多而受限制
It might be argued that measurements of gas concentrations arising from real field conditions could provide an improved approach,however such programs would
need
to cover a wide range of conditions and explosives and could be prohibitively expensive and time-consuming
可能引起争论的是、对实际现场条件所引起气体的浓度测量、可提供一种改进的方法
The general trajectory formula
needs
to be applied here for the prediction of the maximum horizontal throw of a projectile to a point at the same elevation
这里需要应用预测抛物体在同一高程时的最大抛掷距离的弹道公式
The two advantages of glass microbubbles are the operator does not
need
to be concerned with sensitizing the mix and the head pressure of the column of explosive and water does not change the density of the composition
操作人员不必考虑敏化这种混合炸药
The two advantages of glass microbubbles are the operator does not
need
to be concerned with sensitizing the mix and the head pressure of the column of explosive and water does not change the density of the composition
药柱和水的扬程压力不会改变这种炸药的密度
The two advantages of glass microbubbles are the operator does not
need
to be concerned with sensitizing the mix and the head pressure of the column of explosive and water does not change the density of the composition
玻璃微球有两个优势:
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