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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「50」重案组的帮助下，McGarrett发誓要了结父亲遇害的案子，让父亲得到安息。与此同时，他也将带领自己的战友扫清这座美丽岛屿上的一切邪恶，让夏威夷－－美国的第「50」个州－－永远是人间天堂。26. How to Deal with the Relationship between Management and ManagedTherefore, verification code can only be used as an auxiliary means, not as the main solution.　　八墩因飞刀的功夫了得而名震方圆百里，他时常被当地的恶霸麻九和五爷利用，参与他们以刀客生命为代价的赌博之中。在一次五爷与麻九较量的赌场上，“骆驼”为了甘草，替八墩杀了麻九，自己也死于非命。而后八墩杀了五爷，结束了刀客生涯，带着甘草和旦旦流落到大漠的一个小镇，以打铁为生过着平静的生活。　　十岁女孩宋永芳目睹家中巨变，为寻仇人只身闯荡上海滩，凭借出众的歌艺和独特的个性得到上海滩大老板段绍荣的青睐，改名为小金宝。唐立平是段绍荣的拜把兄弟，表面上他凡事唯段绍荣马首是瞻，暗地里却觊觎老大的位置。唐立平之弟唐立天是进步青年，深受红色思想的影响。女段　　来自海峡两岸的男女主人公在这里偶然邂逅：“文”是乌镇古书图书馆的管理员，与老馆长共同肩负着修复古籍善本的使命；“英”是来自海峡彼岸的时装设计师，就在这古书院的书架间与“文”一见钟情，于是一段欲罢不能的情感历程就在这千年历史的映照下激情上演。巨大的时空跨越，鲜明的文化分野，让男女主人公在此间迷途难返、欲罢不能。