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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.　　然而，对于帕拉丁夫人的迷恋战胜了安东尼的内疚感，一次偶然中，安东尼发现帕拉丁夫人身旁的仆人安德鲁（路易斯·乔丹 Louis Jourdan 饰）最有嫌疑，尽管并没有安德鲁就是凶手的确凿证据，但嫁祸于安德鲁的确是能够让帕拉丁夫人脱罪的最好方式　　某日，一帮穷凶极恶的劫匪袭击的实验室，昆丁最好的朋友在交火中不幸丧生，这让昆丁感到十分悲痛，他发誓要替朋友报仇，并且拟定了一个危险的计划。实验室正在研究一种由蜘蛛血提炼而来的药物，昆丁偷到了这种药物，并且将它注入了自己的血液之中。可怕的事情发生了，昆丁并没有变成强壮的蜘蛛侠，而是渐渐的成为了毛茸茸的大蜘蛛。段落二，讲述的是这三个人长到了40来岁，变成了三个臭皮匠。他们走到了社会上，在社会上闹出的各种各样的喜剧和笑话。Understand the basic principle of using single mode to realize pop-up window.Update (June 27)千万不要小看自圆其说这四个字，要知道华夏的历史有多悠久。