2) the third wounding blow
第三次沉重的打击
3) drive-hammer extension
打击锤的加重块
4) heavy hit tactic
重击打法
5) repeated penetration and explosion
重复打击
1.
In order to explore the breakage and damage effect problems of the underground protective engineering in rock under repeated penetration and explosion by precision guided weapons,the contrastive experiments of single-time drilled explosion and secondary drilled explosion have been accomplished.
为了探索精确制导武器对岩石介质中地下防护工程实施重复打击后的毁伤效应问题,进行重复钻孔爆炸和一次性钻孔爆炸对比试验。
6) A heavy blow;a sharp thud.
猛击;重打
补充资料：沉重
1.亦作"沉重"。 2.沉静庄重。 3.分量重。 4.笨重，不灵活。 5.犹严重。表示程度深。 6.担子。比喻担负的责任。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条