问题
单项选择题
检查离心泵泵轴弯曲程度公差应为泵轴中部弯曲不得大于（）mm，轴颈处弯曲不得大于（）mm。
A.0.05；0.015
B.0.06；0.02
C.0.07；0.025
D.0.08；0.03
答案
参考答案：A
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检查离心泵泵轴弯曲程度公差应为泵轴中部弯曲不得大于（）mm，轴颈处弯曲不得大于（）mm。
A.0.05；0.015
B.0.06；0.02
C.0.07；0.025
D.0.08；0.03
参考答案：A
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| ( )1. We are relaxing at the good news. A B C ( )2. Spending time with family are very fun. A B C ( )3. We don't visit friends without call first. A B C ( )4. It's important of you to learn English well. A B C ( )5. You are suppose to come a little earlier. A B C | _________ _________ _________ _________ _________ |