forced air heating 强制热风供暖 forced air supply 强制式通风; 强制送风; 人工通风 forced alternating current 强迫交变电流; 受迫振荡电流 ..
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forced air heating 强制热风供暖 forced air supply 强制式通风; 强制送风; 人工通风 forced alternating current 强迫交变电流; 受迫振荡电流 ..
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forced-air supply 人工通风
Acording to air supply mode, the device has forced air supply and natural air supply.
根据供风方式，该装置有强制送风和自然送风两种。
The utility model is characterized by simple structure and easy operation, which can complete forced air supply for gas cabinets in a short time.
本实用新型提出的气瓶柜强制供气装置结构简单操作方便并且能够在很短时间内完成气瓶柜强制供气的操作。
An improved oxidation ditch process using forced air supply low-pressure jet aeration system was used to treat middle-stage wastewater from pulping and papermaking.
采用供气式低压射流曝气系统改良型氧化沟工艺处理制浆造纸中段废水，对整个调试运行过程进行了介绍。
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