热风幕是通过高速电机带动贯流或离心风轮产生的强大气流，形成一面无形的门帘。
Hot air curtain by high speed motor drive tubular or centrifugal wind turbines generate strong airflow, forming a invisible curtain.
热风幕是通过风轮的转动产生的强大气流，送出一定速度和温度的幕状气流，形成一面无形的门帘。
Hot air curtain is strong airflow generated by the rotation of the fan rotor, curtain like flow out a certain velocity and temperature, forming a invisible curtain.
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