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.
提出了一种用气举和自激振荡脉冲射流相结合的方式开采潜水层滨海砂矿的新方法。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
提出了一种用气举和自激振荡脉冲射流相结合的方式开采潜水层滨海砂矿的新方法。
The method using the airlift assisted with the self oscillation pulsed jet for dredging in the Three Gorges Reservoir Region has been presented.
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