I want to buy some automatism valve,for example electric val

来源：学生作业帮编辑：百度作业网作业帮分类：综合作业时间：2024/05/05 12:54:48

I want to buy some automatism valve,for example electric valve,motorized valve,Pneumatic Valve,but i can not know which valve i should to bay ,who can tell me the point about these electric valve,motorized valve,Pneumatic Valve,if you can tell me these,I very thanks,or you can visit
http://www.electric-valves.cn

其实他们的区别太复杂了

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