1. Menene machining.Gabaɗaya, kayan aikin injin kamar injin yankan ƙarfe, milling, drills, planing, niƙa, hakowa da sauran kayan aikin injin suna aiwatar da matakai daban-daban na yanke akan kayan aikin, ta yadda aikin aikin zai iya cimma daidaiton girman girman da ake buƙata da s ...
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