USE: Electric- contact pressure gauges are used for measuring positive and negative pressure of liquids and gases which are nor corrosive to copper and copper alloy and not explosive and crystal.
电接点压力表适用于测量对铜及铜合金无腐蚀、无爆炸危险、非结晶的各种液体、气体等介质的压力。
Research and applications about the technique of streak record in the explosive test are summarized by some experimental negative in the paper.
本文通过多幅实验底片，阐述了高速摄影狭缝扫描技术在爆炸实验中的研究应用。
Because of uncontrollability of explosive results, residual mud zone in embankment bottom would have negative impacts to stability of riprap embankment.
由于爆破法的效果难以准确控制，使得地基可能存在未排出淤泥层，对堤坝的稳定性产生很大影响。
Because of uncontrollability of explosive results, residual mud zone in embankment bottom would have negative impacts to stability of riprap embankment.
由于爆破法的效果难以准确控制，使得地基可能存在未排出淤泥层，对堤坝的稳定性产生很大影响。
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