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.
治疗用混合气的配制可参照《潜水员供气量》(GB18985 - 2003)。
To composing the treatment mixture, we recommend to refer to "Amount of supply gases for divers" (GB18985-2003).
潜水员用自携式水下呼吸器把气球充满气，让它缓缓地把胳膊带到水面。
However huge the arm, it was fragile, and divers filled a balloon with air from a scuba mouthpiece to gently raise it to the surface.
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