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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.这才是武侠小说。In the 2008 Wenchuan earthquake, Huang Weiping arrived in the disaster area as a psychological consultant. The real death, and in the face of death, the indifference, selfishness, absurdity of human nature, and the taste of life, Huang Weiping suddenly saw all of a sudden.27年前，中国青年姚浩谦在新加坡街头救下弱智清纯少女夏菲菲，两人相恋。浩谦回国后，菲菲搬家，两人失去联系。后浩谦奉父母之命结婚，菲菲则生下平安，独立抚养他长大。27年后，平安成为游泳选手，偕欣欣回中国参加泳赛，计划与女友周语晨结婚。不料语晨考虑现实，与平安渐行渐远，平安也因腿伤退出泳坛。他历经挫折打击，仍以坚毅不拔的精神，愈挫愈勇，成为一位优秀厨师并展现惊人厨艺。平安偶然结识了勤奋向上的女孩李若愚，若愚家因经营饺子厂倒闭，生活陷入困境，但家人情感却更加凝聚，同甘共苦，坚信能化危机为转机。若愚勇敢担起偿债重任，父女情深，令人动容。平安与若愚二人历经种种波折磨难，终于确认彼此情意，携手同心面对四人一拍即合，决心合力伏妖，共同解决人界危机，拯救世间万物。一场正邪之战，就此展开......