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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, An O-ring 10 is further dispose at that upper portion of the packing assembly 9, An upper part of that O-ring 10 is provide 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, the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity, the two O-rings 10 are concentric arranged, and the inner diameter and outer diameter of the two O-rings are different.在巴黎拍摄的《艾米丽闯巴黎》讲述来自中西部的20多岁女主Emily（Lily Collins饰演），意外地获得在巴黎工作的机会，她的任务是把美国观念带进一间享誉法国的营销公司。Emily得适应文化上的新冲击，同时还得兼顾事业、新友谊及爱情生活。Netflix原创的意大利剧集，改编自小说《致命信条》，2015年曾被改编成电影，剧集时间点的设定比小说早了几年。本剧呈现丰富的动作、剧情和犯罪元素，囊括了政治、宗教、黑帮三股势力的强强对决，以充满震撼力的十集演绎出二十天的动乱。剧集背景设定在罗马的犯罪惊悚剧集，描述教廷、国家、组织犯罪、地方帮派和房地产开发商之间如何发生冲突，以及如何在追求权力的过程中模糊了合法与非法之间的界线。故事核心是三名背景、野心和热情各异的年轻男子，他们为了实现内心最深处的欲望而必须缔结联盟。Blood type with leadership ability from an early age保罗·托马斯·安德森音乐短片[灵魂](ANIMA，暂译)发布先导预告。这支短片由Radiohead的汤姆·约克(Thom Yorke)配乐并主演，是一支令人费解的视觉片段。该短片将于6月27日上线Netflix，并会在6月26日部分IMAX影厅中率先放映。面对楚军永无休止的凶猛冲击，秦军逐渐开始溃退。Cluster (author of this program hakchi2)