• Trees are natural air conditioners. They take harmful gas from the air, and release oxygen into the air.

    树木天然空气净化器他们可以吸收空气中有害气体空气中释放氧气

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  • Well, trees are natural air conditioners. They cool the air and clean it. Three trees can do the job of 15 air conditioners.

    树木天然空气净化器他们空气温度下降,把它打扫干净。就能这项工作15空调。

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  • Thanks to the natural light and ventilation, lamps and air-conditioners are not needed, which saves a lot of energy.

    由于自然光自然通风空调和人工照明不再是必须节省大量的能源。

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  • The thesis studied the situation of performance matching for natural refrigerant propane (R290) instead of R22 in minitype room air conditioners.

    本文研究了自然工质丙烷(R290)替代r 22小型家用空调性能匹配情况

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  • The thesis studied the situation of performance matching for natural refrigerant propane (R290) instead of R22 in minitype room air conditioners.

    本文研究了自然工质丙烷(R290)替代r 22小型家用空调性能匹配情况

    youdao

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