... closing of root 根的密集 closing of switch 道岔密贴； 开关闭合 closing of the exchange 交易所收盘 ...
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The high coulomb and current power pulse closing switch is one of the crucial components of the power conditioning system.
脉冲能源系统的关键元件之一是高库仑量大电流的脉冲闭合开关。
During closing the switch of cutting-off winding, press starts key the instrument will be a point-motion state until the switch of cutting-off winding is opened.
断线开关闭合时，按下“启动键”机器处于“点动”状态直至断线开关打开。
The switch block adjusts the position of the flow passage by a spring and a push pressing block, so the switch block has the function of opening and closing the toothpaste passageway.
开关块通过弹簧、推压块调整流道的位置，起到开、闭牙膏通道的作用。
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