Qhathanisa i-valve ye-diaphragm kanye ne-bellows valve kumishini yenqubo ye-aseptic, i-globe valve, i-diaphragm valve, i-valve yebhola, i-valve yesango, i-valve yokuphepha kanye namanye ama-valve indlela yokuhlola ingcindezi, yiziphi izindlela?
Qhathanisa i-valve ye-diaphragm kanye ne-bellows valve emishini yenqubo ye-aseptic, i-globe valve, i-diaphragm valve, i-valve yebhola, i-valve yesango, i-valve yokuphepha kanye namanye ama-valve indlela yokuhlola ingcindezi, yiziphi izindlela? Enqubweni yokukhiqiza i-aseptic, ukumisa okuvame ukusetshenziswa...
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