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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.为庆贺重获爱女，乾隆举行祭天酬神仪式，仪仗队伍行经市街时被紫薇、金锁看到，紫薇太过激动昏倒在地，被大学士福伦之子福尔康（周杰）所救，得知紫薇身世后，福家人将其收留，其后，紫薇在福尔康的安排下终又与小燕子见面，众人开始为紫薇与乾隆相认一事作种种安排，而在这一过程中，紫薇与福尔康，小燕子与五阿哥永琪（苏有朋）也开始了爱情之旅。赢子夜在父兄亲人几乎全部惨死之后，为了报仇而做出牺牲也完全是有可能的。拥有“铜豌豆”性格的夏蕊宁进入西陵大学文博学院，与拥有丰富家传古籍古画藏书的西陵夜家兄弟夜凛和夜渺，以及自家保姆的女儿“灰姑娘”沈真相遇，四人之间剪不断理还乱的纠葛人生，最终因“古画修复”而得以圆满的故事。侄儿，我也不瞒你。官方宣布第二季　　Fifteen months after bringing his mothers killer to justice, Bosch finds himself seeking the truth on two fronts. New evidence in an old case leaves everyone wondering whether Bosch planted evidence to convict the wrong guy. And a murder at a Hollywood pharmacy exposes a sophisticated opioid pill mill, sending Bosch down a dark and perilous path in pursuit of the killers.