davy crockett (nuclear device)大: big; large座: seat; place後座力: recoil后座力: backlash; recoil force大克尔: bolshoy kyl下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:大克後座力,即可在微信中查询翻译