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A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, The O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12, the arc-shaped end face 12 forms a line seal between the valve body 1 and the valve seat 7, the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.这一天武侠小说界不断撕逼，让付宇锋大呼过瘾。　　在苏兆龙暗地支持下，陈飞依靠自己的执著和智慧逼迫李未成渐渐露出马脚，而李未成也在事情的进展中发现自己已《七人魔法使剧场版：悠久图书馆和炼金术少女》以同名番外篇小说内容为基础改编。某日，持有魔王因子的春日触碰到莉莉斯的魔导书「赫尔墨斯外典」的瞬间，出现了一位神秘少女莉莉姆，而同时世界也产生了异变……禁忌的悠久图书馆和想要毁灭世界的魔王出现了！没有错，网络上很多小道消息，都是陈启让武界出版社放出去的。Nonkul在剧中饰演居住唐人街的失明算命先生，本来就不相信算命的Punpun经过朋友介绍认识了Nonkul。从刚开始的抗拒到疑惑、猜疑到误会，彼此产生情愫，这或许就是两人之间的缘分。