1. Xov txiav Feem ntau, nws yog hais txog cov txheej txheem ntawm machining xov ntawm workpiece nrog cov cuab yeej sib tsoo los yog cov cuab yeej sib tsoo, feem ntau suav nrog tig, milling, tapping thiab threading sib tsoo, sib tsoo thiab cua daj cua dub txiav, thiab lwm yam. Thaum tig, milling thiab sib tsoo cov xov, transmission chain o...
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