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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.Netflix 全新原创剧集《杀手裁缝铺》由 BKM 出品，著名导演布拉克·阿克萨克联合赛尔朱克·艾代米尔共同执导，并由恩金.尤兹图尔克领衔主演。该节目将于 2021 年 1 月 27 日在 Netflix 上面向全球上映。I. Chinese citizens who have not reached the national legal retirement age at the end of the year when they sign up, have the qualifications for teachers stipulated in the Teachers Law and are willing to work as teachers.　　北美房车赛的后勤团队老板决定退位，将大权交给女儿执掌。面对力图打造现代化团队的新老板，凯文·詹姆斯饰演的队长能够抵挡新世代的冲击，保住自己和团队的江山吗？《维修狂人》将于 2月15日上线，Netflix 独家。16.8 Chronic progressive diseases of throat that affect function and are not easy to correct are unqualified.与之前不同的是，这次不是做出来就完事，杨长帆特别指派了几位会写字的匠人记录每个过程，对比制造结果，详细统计，不管好赖，成果必须落于纸面，保证后来有靠谱的工人可以拿起来就干。　　雷的父亲麦克（强·沃特 Jon Voight 饰）刚刚从监狱里出来，他的家人和社会能够宽容的接纳这个看起来有些玩世不恭的老头子吗？身为雷的妻子，艾比（葆拉·马尔科姆森 Paula Malcomson 饰）对于丈夫的事业和自己的身份又抱有着怎样的怀疑呢？还有雷的一双儿女布莱恩特（凯莉丝·多西 Kerris Dorsey 饰）和康纳（Devon Bagby 饰），他们亦有各自的烦心事儿。