问题
单项选择题
机组膨胀机密封气压力大于（）允许启油泵
A.0.03Mpa
B.0.2Mpa
C.0.3Mpa
D.0.4Mpa
答案
参考答案：B
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机组膨胀机密封气压力大于（）允许启油泵
A.0.03Mpa
B.0.2Mpa
C.0.3Mpa
D.0.4Mpa
参考答案：B
| 完形填空。 | |||
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