利用爆炸产物运动方向和炸药表面垂直或大致垂直的规律做成特殊形状的装药能使爆炸产物聚集起来提高能流密度增强爆炸作用这种现象称为炸药的()
A、起爆冲能C
暂无解析
Everyboyandgirl___(treat)inthesameway.
Thisscientistwasawardedwithseveraltitlesforhis________(accomplish)inbiology
一定时期流通中所需要的货币量等于商品价格总额除以()
Thepresentcrisisbearssome________(similar)totheoilerisisofthe1970s
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyea
