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Kodi valavu ya mpira ndi chiyani?
Kodi valavu ya mpira ndi chiyani? Kuwonekera kwa valavu ya mpira kunali pambuyo pa Nkhondo Yachiwiri Yapadziko Lonse. Ngakhale kuti kupangidwa kwa valavu ya mpira kunayamba kumayambiriro kwa zaka za m'ma 1900, patent iyi yomangidwa sinathe kumaliza njira zake zogulitsira chifukwa cha malire ...Werengani zambiri -
Ubwino Wogwiritsa Ntchito Ductile Iron Ngati Zida za Valve
Ubwino Wogwiritsa Ntchito Ductile Iron Ngati Zida za Valve Chitsulo chodulira ndi chabwino kwambiri pa zipangizo za valve, chifukwa chili ndi zabwino zambiri. M'malo mwa chitsulo, ductile iron idapangidwa mu 1949. Kuchuluka kwa mpweya mu chitsulo chodulira ndi kochepera 0.3%, pomwe...Werengani zambiri -
Kusiyana pakati pa Valavu ya Gulugufe Yokhazikika ndi Valavu ya Gulugufe Yokhala ndi Chitsulo
Kusiyana pakati pa Vavu ya Gulugufe Yokhazikika ndi Vavu ya Gulugufe Yokhazikika ndi Chitsulo. Ma Vavu a Gulugufe ali ndi kapangidwe kakang'ono, kapangidwe kosavuta, magwiridwe antchito abwino, komanso kukonza kosavuta. Ndi amodzi mwa mavavu otchuka kwambiri m'mafakitale. Timakonda...Werengani zambiri -
Kusiyana pakati pa Valavu ya Mpira ndi Valavu ya Gulugufe
Kusiyana pakati pa Vavu ya Mpira ndi Vavu ya Gulugufe Kusiyana kwakukulu pakati pa mavavu a gulugufe ndi mavavu a mpira ndichakuti valavu ya gulugufe imatsegulidwa kapena kutsekedwa kwathunthu pogwiritsa ntchito diski pomwe valavu ya mpira imagwiritsa ntchito malo obowoka, obowoka komanso ozungulira ...Werengani zambiri