PETN造句
文章研究了硼系高能点火*对PETN燃烧转爆轰的影响。TheprocessofdecreasingtheacidvalueoftheboosterpelletsusedsemifinishedPETNwasstudiedbytheexploringtestinlab,theminitestandthemediumtestontheproductionline...
文章研究了硼系高能点火*对PETN燃烧转爆轰的影响。TheprocessofdecreasingtheacidvalueoftheboosterpelletsusedsemifinishedPETNwasstudiedbytheexploringtestinlab,theminitestandthemediumtestontheproductionline...