The activities stretch over most of the summer, from a ten-week torch relay beginning on May 19th to the closing ceremony of the Paralympics on September 9th.
从5月19日开始的为期10周的火炬接力，到9月9日的闭幕式，奥运会的时间跨度差不多覆盖了整个夏季。
He performed at the opening and closing ceremonies for the Beijing Olympics last year and took part in the Olympic torch relay.
他上一年在北京奥运会的开幕式和闭幕式上表演，同时参加奥林匹克火炬传递。
Limited circumstances permanent fault, automatic re-closing devices on the move after the opening relay action Zaitao to identify reasons, be excluded from the power supply.
少数情况属永久性故障，自动重合闸装置动作后靠继电保护动作再跳开，查明原因，予以排除在送电。
The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
用动态接触电阻测量系统进行了电磁继电器失效检测试验，检测了其触点闭合过程的接触压降。
The protective relay is a sensing device, which senses the fault, determines its location and then send command to the proper circuit breaker by closing its trip coil.
保护继电器是一个传感装置，感官的过错，确定其位置，然后发送命令关闭其旅行线圈到正确的断路器。
Relay box is an operational device to tripping and closing of breaker instructed by protection, breaker controlling unit, monitor unit, and auxiliary device of breaker.
操作箱的作用是用来完成保护、断控单元、测控单元、断路器辅助装置对断路器跳合闸操作的装置。
The arc types that make the relay contact dynamic welding occur were introduced. It was pointed out that the closing short arc is direct reason of dynamic welding.
介绍了造成继电器触点动熔焊的电弧类型，指出闭合短电弧是动熔焊的直接原因。
Welding can take place in a relay either during closing period, or during breaking period.
最后得出熔焊既可以发生在触头闭合过程，也可能发生触头分断过程。
Welding can take place in a relay either during closing period, or during breaking period.
最后得出熔焊既可以发生在触头闭合过程，也可能发生触头分断过程。
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