Iindaba zeMveliso
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Yintoni ivalvu yeoyile yokutywina?
Isitywina se-valve luhlobo lwetywina le-oyile, elenziwe ngokubanzi nge-vulcanised exoskeleton kunye ne-fluoroelastomer, kunye ne-self-tensioning spring okanye ucingo lwentsimbi olufakwe kububanzi betywina, olusetyenziselwa ukutywina intonga yevalve ye-injini. ibekwe kwintloko yesilinda, phantsi kwevalve ...Funda ngokugqithisileyo
