问题
单项选择题
离心泵的叶轮流道中心线与泵体流道中心线偏差应不大于（）mm。
A.1
B.0.8
C.0.6
D.0.5
答案
参考答案：D
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离心泵的叶轮流道中心线与泵体流道中心线偏差应不大于（）mm。
A.1
B.0.8
C.0.6
D.0.5
参考答案：D
| 选词填空 | |
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