air cooling machine
[机] 空气冷却机
air cooling system
[机] 气冷系统
forced air cooling
[计] 强迫空气冷却
forced air cooling tube
[电] 迫风冷却管
lateral forced-air cooling
[电] 横向压气冷却法
motor with air cooling
[化] 风冷式电动机
