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[单选题]
轴承大修单位须建立健全严格的质量保证体系和质量检验制度,制定大修轴承零、组件和成品质量检查验收办法,每套修竣的轴承须带有本单位检查部门签发的合格证,发往用户的轴承须具有铁道部驻厂(公司)车辆验收室签发的合格证,每批至少()。
A.1个
B.2个
C.3个
D.4个
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1个
B.2个
C.3个
D.4个
A.120.037-120.059,0.04-0.09
B.120.020-120.059,0.04-0.09
C.120.037-120.059,0.01-0.04
D.120.020-120.059,0.01-0.04