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關注：1
2013-05-23 12:21
求翻譯：排污閥和放空閥應選用具有節流截止功能的閥門。DN300以下排污閥主要選用閥套式排污閥，手動放空管線上選用節流截止放空閥， 具有自動放空功能的管線上采用旋塞閥。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
排污閥和放空閥應選用具有節流截止功能的閥門。DN300以下排污閥主要選用閥套式排污閥，手動放空管線上選用節流截止放空閥， 具有自動放空功能的管線上采用旋塞閥。
問題補充： |
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2013-05-23 12:21:38
Drain valve and vent valve should be used with function of throttle stop valve. DN300 following main selection valve sleeve type sewage valve sewage valve, manually emptying use throttle stop venting valve on the pipeline, with automatic venting functions of plug valve on the pipeline.
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2013-05-23 12:23:18
正在翻譯，請等待...
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2013-05-23 12:24:58
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2013-05-23 12:26:38
Drain valve and vent valve should be used with function of throttle stop valve. DN300 following main selection valve sleeve type sewage valve sewage valve, manually emptying use throttle stop venting valve on the pipeline, with automatic venting functions of plug valve on the pipeline.
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2013-05-23 12:28:18
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