standby valve
... quick-opening gate valve升降机速启阀门 standby valve应急阀门;升降机备用阀门 two selenoid升降机双螺管阀门 ...
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应急阀门关闭系统 emergency valve closing system
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为了应对信贷危机，美国联邦储备委员会（Fed）和其他央行向金融机构提供了大量应急现金，但如今他们正在采取新措施，逐渐关紧流动性阀门。
The Federal Reserve and other central banks took new steps to turn down the faucets on the flood of emergency cash they are providing to financial institutions to address the credit crisis.
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