diverless subsea completion system无: not have; there is not; be w ...潜水员: aquanaut; diver; frogman海底: the bottom of the sea; seabe ...完: intact; whole井: well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:无潜水员海底完井系统，即可在微信中查询翻译
