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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.《兴国，兴国！》取材于1926年至1934年苏区兴国革命历史，反映的是革命英雄谢勋东的成长过程，以及他与夏迎秋在战火中的爱情传奇。该剧运用当代视觉，以土地、农民这一中国革命的中心问题作为切入点，真实而艺术地再现兴国苏区革命史乃至整个中央苏区革命中那段轰轰烈烈的历史，再现当年老一辈无产阶级革命家建立和管理政权的一系列革命实践活动，英雄成长和改造世界的矛盾冲突作为核心命题将贯穿全剧始终。电视剧改编自编剧亚当·F·戈德堡的真实人生经历。故事发生在二十世纪八十年代美国的一个平凡的家庭之中。贝弗利（温迪·麦克伦敦-考薇 Wendi McLendon-Covey 饰）和穆瑞（杰夫·格尔林 Jeff Garlin 饰）是一对结婚多年的夫妻，尽管生活中少不了磕磕绊绊，穆瑞的暴脾气更是为平静的生活增添了一丝波澜，但他和妻子之间的感情一直以来都十分要好。商业竞争各凭手段，也没有什么。Physical Back Strike Skill Lv+1I don't even know you, do I,