本设计介绍了风扇调速器注射模具的设计与制造方法。
This design introduced retakes courses machine the Ventilator velometer inject mold's design and the manufacture method.
交流电风扇和调速器能效限定值及能源效率等级。
Minimum allowable values of energy efficiency and rating criteria of a.
交流电风扇和调速器能效限定值及能源效率等级。
Minimum allowable values of energy efficiency and rating criteria of a.
应用推荐