The speedchange device of the water pump has remarkable energy-conservation effect and has got wider and wider application.
水泵变速调节因具有显著的节能效果，得到了越来越广泛的应用。
The speedchange device of the water pump has remarkable energy-conservation effect and has got wider and wider application.
水泵变速调节因具有显著的节能效果，得到了越来越广泛的应用。
应用推荐