salvo combination selecting instrument齐射: salvo; volley组合: make up; compose; constitute选择: pick and choose; select仪: appearance; bearing预置电极组合选择器: preset electrode combination selector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:齐射组合选择仪,即可在微信中查询翻译