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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, A valve seat 7 is arranged between the valve disc 4 and the guide sleeve 6, a packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, an O-ring 10 is further arranged on 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, and the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41.Cabernet Sauvignon-Cabernet Sauvignon大雪纷飞，北风呼啸，悍匪五黑刀与日本浪人在一处村落中绞杀的血雨腥风。杨仁、杨运昌和樵夫、拐五爷率领抗匪队夺路救人，尽力保护着村中百姓。杨仁的抗匪队剿灭了五黑刀，赶走了夏山吼，使一方百姓又恢复了往日的平静。然而好景不长，几年之后，新的一轮匪患又悄然兴起，一时间各种势力的角逐再一次打破了百姓生活的安宁，杨氏家族又不同程度的搅入了与土匪的纠缠之中虎踞龙盘。一次突如其来的绑架案把早已随父亲一同收山的杨运昌再一次推向了刀光剑影的江湖之中……《寻找喜剧人》无缝接档《欢乐喜剧人》第五季，16组喜剧人将通过舞台竞演模式争夺《欢乐喜剧人》第六季认证席位。6. Don't save face when doing business.自杀！一连串惨不忍睹的自杀接连发生。毒贩！一个个即将被捕的毒贩相继毙命。黑白较量， 警方无功而返，庞大严密的毒品网络也全部瘫痪，整整一吨巨量毒品神秘失踪，从而暴露出双方均 有卧底的事实，双败而回。情报送到，警方上下震惊，黑帮集团如蚁困热锅。恰在此时，身负一吨 毒品秘密的警方卧底彭大勇（肖荣生饰）突然失踪，追寻途中，发现他因车祸堕江，尸体随水而逝 。岂料数月后，勇重现江湖，蜕变为一名凶狠残暴的大毒枭！ 　　真相大白，原来勇被绑后，身负重伤导致“失忆”，被黑帮集团“洗脑”重塑为傀儡，以期寻 出巨量毒品，其幕后操控的，竟是貌似柔弱的黑帮首脑林娜（田海蓉饰）。然操控过程，娜竟爱上 了勇，朦胧之间，勇对娜也动了心。忠诚？背叛？枭雄？杀机四伏，一吨巨量毒品系于一个人的记 忆；英枭双雄，游走于正邪善恶之间；黑白两道，一场英雄争夺战由此拉开…在某城市里的一个院落里，住着两户人家。张家和李家是多年的邻居，两家生活在同一个屋檐下，有着深厚的感情，生活上有点麻烦也是互相帮助。但是，一起生活难免磕磕碰碰，两家之间总存着不大不小的矛盾。张大娘和张大爷常常抱怨李家人都是人精，碰不得惹不起;同样的李家对张家的一些做法也颇有微词。两家人时而亲如一家，时而因一点鸡毛蒜皮的事儿就闹成一锅粥。