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【单选题】
以下选项不属铣床试运行前的准备工作内容的是( )。A.
主轴轴承的精度检查
B.
电气装置的清洁、紧固
C.
丝杆的清洗
D.
润滑油的油质检查
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
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