... delayed blast 迟误爆破 delayed blasting 迟误爆破 delayed crack 延迟破裂 ...
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... data of holes drilled， 钻孔参数 delayed blasting，延时爆破 exploratory hole，探孔 ...
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ms delayed blasting 毫秒爆破
short-delayed blasting 短延时爆破
stage delayed blasting 分段延时爆破
delayed d blasting 迟误爆破
Underwater directional blasting can be achieved through the methods of reduced density of medium in thrown direction, formed directional pit, directional comulative blasting, delayed blasting etc.
水下定向爆破可以通过减少抛掷方向的介质密度、形成定向坑，利用定向聚能药包及延期爆破等方法实现。
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