Fananizani valavu ya diaphragm ndi valavu ya mvuvu mu zida za aseptic, valavu yapadziko lonse, valavu ya diaphragm, valavu ya mpira, valavu yachipata, valavu yotetezera ndi ma valve ena momwe mungayesere kuthamanga, njira ndi ziti?
Fananizani valavu ya diaphragm ndi valavu ya mvuvu mu zida za aseptic, valavu yapadziko lonse, valavu ya diaphragm, valavu ya mpira, valavu yachipata, valavu yotetezera ndi ma valve ena momwe mungayesere kuthamanga, njira ndi ziti? Popanga aseptic, njira yomwe imagwiritsidwa ntchito kwambiri ...
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