网络释义
1)bottom gangway,底导坑2)bottom gate,底导坑3)bottom heading,底导坑4)Seabed navigation,海底导航5)top and bottom guiding,顶底导向6)bilge delivery pipe,舱底导水管7)flat bottom guide,平底导向器8)subsea conduit connector,海底导管连接器9)double-sole thread carrier,加固袜底导纱器10)derrick heel block,吊杆底导向滑车
