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当前学科:中级油气管线安装工考试
题目:
单选
齿轮泵的齿轮端面与泵壳之间隙为()。
A . A、0.02~0.06mm
B . B、0.03~0.08mm
C . C、0.04~0.08mm
D . D、0.04~0.1mm
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