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The air tank contains high-pressure purified air and is exactly like the tank used by a SCUBA diver.
空气瓶内装有纯净高压空气,很像SCUBA 潜水员用的气瓶。
youdao
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The air tank contains high-pressure purified air and is exactly like the tank used by a SCUBA diver.
空气瓶内装有纯净高压空气,很像SCUBA 潜水员用的气瓶。
youdao