空气瓶内装有纯净高压空气，很像SCUBA 潜水员用的气瓶。

The air tank contains high-pressure purified air and is exactly like the tank used by a SCUBA diver.

youdao

空气瓶内装有纯净高压空气，很像SCUBA 潜水员用的气瓶。

The air tank contains high-pressure purified air and is exactly like the tank used by a SCUBA diver.

youdao