pre arming预先: in advance; beforehand解除保险: arming未解除保险: unarming弹头解除保险: warhead arming解除保险电路: arming circuit; arming link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:预先解除保险，即可在微信中查询翻译
