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關注：1
2013-05-23 12:21
求翻譯：在UCS1、GCS及UKMS為了保證計量的準確性，流量計前后的閥門所需閥門擬選用能保證雙向零泄漏的強制密封閥門，閥芯和閥座之間無摩擦。要求閥門扭矩小，開啟自如，閥門易損件便于維修和更換，其使用壽命包括內外零泄漏的性能應在20年以上。需要自動切換流程的閥門配備電動執行機構。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
在UCS1、GCS及UKMS為了保證計量的準確性，流量計前后的閥門所需閥門擬選用能保證雙向零泄漏的強制密封閥門，閥芯和閥座之間無摩擦。要求閥門扭矩小，開啟自如，閥門易損件便于維修和更換，其使用壽命包括內外零泄漏的性能應在20年以上。需要自動切換流程的閥門配備電動執行機構。
問題補充： |
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2013-05-23 12:21:38
In UCS1, GCS and UKMS to ensure measurement accuracy, the flow meter selection valve required valve before and after the proposed guaranteed bi-directional zero-leak forces sealed valve, without friction between the valve and valve seat. Require small valve torque can be opened freely, wearing parts
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2013-05-23 12:23:18
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2013-05-23 12:24:58
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2013-05-23 12:26:38
In UCS1, GCS and UKMS to ensure measurement accuracy, the flow meter selection valve required valve before and after the proposed guaranteed bi-directional zero-leak forces sealed valve, without friction between the valve and valve seat. Require small valve torque can be opened freely, wearing parts
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2013-05-23 12:28:18
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