Umkhiqizi wama-valve ebhola wase-China Ukuhlaziywa komkhiqizo: Izici ze-valve yebhola yekhwalithi ephezulu, kukwenza uqonde!
I-Ball valve njengemishini evamile ye-valve, isetshenziswa kabanzi ezimbonini ezihlukahlukene. Ngakho-ke, yiziphi izici zekhwalithi ephezulu ye-valve yebhola? Lesi sihloko sizohlaziya imikhiqizo yabakhiqizi be-valve yebhola baseShayina kuwe, futhi sikuthathe uqonde i-chara...
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