词汇	参加讨论会
释义	参加讨论会 take part in a discussion讨论
随便看	underwater oil storage underwater oil storage tank underwater oil tanks underwater oil transport underwater open-excavated tunnel underwater operating machine underwater operation under water operation underwater operational manipulator underwater operation group underwater operation light underwater operation network underwater operation ship Underwater Operation Unit underwater optical cable underwater optical communication underwater optical fiber cable underwater optics underwater options underwater ordance under water ordnanac underwater ordnance Underwater Ordnance Development Group underwater ordnance distribution officer underwater ordnance locator