Never attempt to machine a work-piece without first checking the operation of the machine.。
A.正確
B.錯誤
正確答案：正確
題目：Never attempt to machine a work-piece without first checking the operation of the machine.。
關鍵字：智慧樹
相關試題
1.Before starting a production run， it'；s not necessary to perform a trial run.。
2.When using a tool compensation function，you should check the direction and amount of compensation.。
3.Incorrect operation may lead to（）.
4.Before operation the machine， you should read the contents in the（）.
5.CNC diagnostic support at present includes four basic categories：start-up diagnostics，
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