一种沉下或拉上深水潜水员的救生索。
Line that raises or lowers a deep-sea diver .
内德过去是一名深水潜水员，现在他已走到另一个极端，开始从事悬挂式滑行运动。
Ned used to be a scuba diver and now he 's gone to the other extreme and taken up hang gliding .
深潜救生艇深水救助船潜水员想使沉船浮起。
Deep submergence rescue vehicle The divers tried to float the sunken ship .
深水潜水员