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As shown in FIGS. 1-3, a low temperature stop valve comprises a valve body 1 and a valve cover 2, wherein a valve stem 3 is arranged in the valve body 1, a valve disc 4 is arranged at one end of the valve stem 3, an adjusting handwheel 5 is arranged at the other end of the valve stem 3, a guide sleeve 6 is arranged at the lower part of the valve disc 4, the guide sleeve 6 is fixed by a connecting piece and a spring pad 8, and a valve seat 7 is arranged between the valve disc 4 and the guide sleeve 6.Recovery mode is a boot system, which is used to perform certain operations that cannot run under normal boot state (such as installing a new ROM package, hard formatting the mobile phone, etc.). You can press and hold the power key and the volume reduction key to enter the Recovery mode at the same time when the mobile phone is turned off. After entering the Recovery mode, you can clean up the cache, clear the data and reinstall the system.《挑战百分百》将在江苏卫视播出，这档定位为“全球100%新奇的游戏”的节目标榜许多游戏在国内教少见，普通的选手将和明星一起完成这些新奇的挑战闯关。Also known as ice hockey, it originated in Canada and was successively developed in Europe and North America. It was listed as an official event at the 7th Winter Olympics in 1956.　　接二连三与各色男人相遇，大雁结识了学校新上任的副校长程闯（于小伟 饰）。一切正朝着好的方向发展，但一纸诊断书却横在了二人面前……郑氏点头。