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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.(2) Exhaust energySongkrod（New饰）海归，专心于学业，被妈妈叫回泰国结婚。他妈妈给他找了很多女人，但他根本就不喜欢那些女人。他厌烦了这一切，于是决定去位于是拉差（泰国海边小镇）的农场找他姑姑。在那里，他遇到了一个住在农场附近的女孩Kratai（Bow饰）。尽管他被妈妈逼迫着必须结婚，但是他姑姑是一位有学问有教养的美女，为了取悦姑姑，他试着去追求那个女孩。但是，Kratai被送去女修道院，放假了才回到农场。Songkrod毕业拿到了博士学位，也同样回到了这里。他又再一次见到了Kratai，这时的她已经出落得亭亭玉立了。他让她为他和姑姑做媒，因为他想以此来接近她，但是她并没有意识到他已经爱上自己了。Kratai总是试着把他推给其他女人，所以他们经常吵架。当Kratai从女修道院毕业后，她必须面对家庭问题，努力克服一切。她屈服于所有人所有事，因为她要保护自己的家庭。至于她的爱情，Songkrod从来都没有承认过他爱她，这让她饱受伤害，之后他因误会她与同龄男子互生爱意而离开了她。这让她很伤心，直到她决定去当一名修道院士，Songkrod才回来找她，于是两人心心相惜。(End) DDoS Three Major Attacks: Arbor Details of Current DDoS Three Major Attacks　　一九四九年解放战争后期，冷江解放受阻于鹰嘴战线，战斗转入傅品千领导的地下战线。我地下党医院院长傅品千潜伏冷江数年，在解放前夕，保密局特务们疯狂反扑，傅品千与打入敌人内部的“小蜜蜂”紧密配合，步步行险，在没有硝烟的战场上与敌人做生死周旋。2.5 Supplier Participation不好吧。