natural ventilation device 自然通风装置
roofing ventilation device 屋顶通风器
ventilation device of kiln 窑内通风设备
Positive Crankcase Ventilation Device 曲轴箱积极通风装置
Thus we put forword to apply Push pull ventilation device to dust control welding roof.
因而提出了将吹吸式通风装置用于棚板焊接烟尘控制上。
This invention discloses a fan, which is composed of ventilation device and vibration generating device.
本发明公开了一种风扇,包括通风装置与震动发生装置。
The communication device comprises an air vent, and the air vent is provided with the dustproof ventilation device.
所述通信设备包括通风口,在所述通风口处设有上述防尘通风装置。
应用推荐