Resilient Gate Valve
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Valve yokhazikika pachipata
Valavu yokhala pachipata chokhazikika ndi valavu yachipata cha wedge, ndipo ndi yoyenera kugwiritsidwa ntchito ndi madzi ndi zakumwa zopanda ndale (zonyansa).
Valavu yokhala pachipata chokhazikika ndi valavu yachipata cha wedge, ndipo ndi yoyenera kugwiritsidwa ntchito ndi madzi ndi zakumwa zopanda ndale (zonyansa).