Zofunikira pakuyika valavu yamagetsi pazabwino zamapangidwe ndi luso laukadaulo
Vavu unsembe zofunika mphamvu siteshoni valavu structural ubwino ndi specifications luso Vavu ali mu dongosolo madzimadzi, ntchito kulamulira kayendedwe ka madzimadzi, kuthamanga, otaya chipangizo, ndi kupanga chitoliro ndi zipangizo sing'anga (zamadzimadzi, gasi, po...
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