Be assured that efficient non-polluting machines will replace them, and with the cleansing of your atmosphere you will soon be breathing clean air.

请放心，高效无污染的机器将会取代的，并且我们还要清洁你们的空气，很快你们会呼吸到非常清新的空气。

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Clean water sources quoted in the region, non-polluting, far away from the harmful gases, dust, sewage and other pollution of the environment, transport facilitation.

本区域引用水源清洁，无污染，远离产生有害气体、烟尘、污水等有污染的环境，交通运输便利。

youdao

Clean water sources quoted in the region, non-polluting, far away from the harmful gases, dust, sewage and other pollution of the environment, transport facilitation.

本区域引用水源清洁，无污染，远离产生有害气体、烟尘、污水等有污染的环境，交通运输便利。

youdao