pr procedure 中文意思是什麼
pr procedure
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Abstract : the mechanism of explosion and deflagration accident that happened in pr - m neutralize procedure are studied. the direct cause of the accidents were found, and methods to avoid the accidents are provided
文摘:對硝酸甲胺中和工序發生爆炸與爆燃事故的機理進行了研究,找出了事故發生的直接原因,並提出了預防事故發生的方法。
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