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关注:1
2013-05-23 12:21
求翻译:Correctly reflect the action process and protection function of steam extraction check valve; the test steam extraction check valve can be done at site station during unit set operation.是什么意思?![]() ![]() Correctly reflect the action process and protection function of steam extraction check valve; the test steam extraction check valve can be done at site station during unit set operation.
问题补充: |
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