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关注：1
2013-05-23 12:21
求翻译：2.升高和降低进口前端压力，检查稳压压力是否正常（关闭和打开压力相差不差允许超过0.5MPa），并且关闭时不允许有泄漏，重复做20次。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
2.升高和降低进口前端压力，检查稳压压力是否正常（关闭和打开压力相差不差允许超过0.5MPa），并且关闭时不允许有泄漏，重复做20次。
问题补充： |
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2013-05-23 12:21:38
Rise and reduce imports of front-end pressure, check the regulator pressure is normal (close and open the pressure difference is not bad to be allowed to exceed 0.5mpa), and close does not allow leakage, repeat 20 times.
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
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2013-05-23 12:26:38
2. raise and lower the import front-end pressure, inspect the regulator pressure for normal (turn off and turn on the pressure difference between the poor does not allow more than 0.5MPa), and leaks are not allowed on close, repeated 20 times.
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2013-05-23 12:28:18
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