Дэлбэрэлтэнд тэсвэртэй цахилгаан бөмбөг хавхлага гэж юу вэ?
What Is Explosion Proof Electric Ball Valve?Sep 09,2021 The explosionproof electric ball valve has the characteristics of simple structure, fast switching, large circulation capacity, zero leakage, explosionproof, etc., and is suitable for highviscosity, fibercontaining, solid particle fluid ...