The machine had just begun circulating its first protons in September 2008 when a connection between two of its superconducting magnets failed catastrophically.
2008年9月，对撞机正开始第一轮质子循环时，两块超导磁铁的连接处发生毁灭性的故障。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
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