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。

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The canister USES a fan to force air through the filter, and then the purified air runs through a hose to the mask.

罐中的风扇使空气流过过滤器，这样净化的空气通过软管达到面具。

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With urban air pollution being more and more serious, it is very important that how to use plant to purified air pollutant.

随着城市大气污染的日益严重，如何利用植物来净化大气污染物越来越受到广泛关注。

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Every few minutes a whooshing sound could be heard as the air was purified.

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Finally, the caissons on both sides will be emptied, after the water inside has been purified to protect the marine environment, and filled with air, Costa said.

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