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判斷題

鏨子切削平面與基面重合

答案：錯(cuò)誤

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答案：錯(cuò)誤

鋸削管子和薄板時(shí)，必須用粗齒鋸條，否則會(huì)因齒距小于板厚或管壁厚，使鋸齒被鉤住而崩斷。

答案：錯(cuò)誤

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