皮皮学，免费搜题
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搜题
【单选题】
使用中心架或跟刀架进行车削时，要注意经常检查支撑爪的松紧程度，并进行必要的( )。A.
加工
B.
调整
C.
测量
D.
更换
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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