把压缩空气通过花园软管输送给潜水员能使他们下潜的更深的地方(超过40米)待得更长。

Air is pumped through a garden hose so divers can go deeper for longer - 40m or more.

youdao

把压缩空气通过花园软管输送给潜水员能使他们下潜的更深的地方(超过40米)待得更长。

Air is pumped through a garden hose so divers can go deeper for longer - 40m or more.

youdao