Iivalvu eziqhelekileyo ekucoceni ukusebenza, ukuthambisa, indlela yegrisi Yabelana Zeziphi iivalvu eziqhelekileyo ezisetyenziswa kuthungelwano lobushushu?
Iivalvu eziqhelekileyo ekucoceni ukusebenza, ukuthambisa, indlela yegrisi Yabelana Zeziphi iivalvu eziqhelekileyo ezisetyenziswa kuthungelwano lobushushu? Intambo ye-valve trapezoidal, i-valve stem nut kunye nenkxaso ye-sliding parts, iinxalenye zokuthwala, i-gear kunye ne-worm gear, i-worm meshing parts kunye nezinye iindawo ...
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