Fancooled, with thermal protection, equip with speed control regulator.
风扇冷却，过热保护，送丝速度可调节。
2
Hollow shaft design allows for a variety of possible mountings; ideal to retrofit AC fancooled motors.
空心轴的设计使各种可能的裱褙，交流的理想加装冷却风扇马达。
3
An induction motor, by contrast, can be cooled passively-and thereby dispense with the hefty radiator, cooling fan, water pump and associated plumbing.