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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.我们都等了一下午，肚子都饿瘪了。为了帮韩颜敏夺回公司，古峰用笔记本把公司写到了自己手里。证监会因此开始调查两人，为了保护公司，两人觉得假结婚。当然，比起证监会，更可怕的是古峰的妈妈——“恶婆婆”顾秀兰，还有又出来捣乱的前女友陈佳佳。古峰和韩颜敏为了户口本和顾秀兰斗智斗勇，在相处中两人却渐渐爱上了对方，古峰大胆求婚，两人假戏真做，书灵也得到了第二样东西：纯洁之吻。吴凌珑本是静如止水的神情，听闻此言，立刻荡漾开来：又出海了？南洋么？这次好像是去东边，说那边也有夷人作乱，具体我也不清楚，路过茶馆，听说书的说的。本作讲述的是“幸福迷路的女子”鹿森海（而且是りうみ）想要变成最棒的自己的大逆转爱情故事。　　经常活跃在大银幕上的裴斗娜扮演性格阳光积极、内心温暖的员警韩茹贞。 毕业於警察大学的韩茹贞在派出所和交通处积累工作经验后，终於如愿以偿的来到了重案组，是个刚刚进入新部门2个月的新参者。 她的到来也受到了老刑警们的支援和喜爱。 当有命案发生时，韩茹贞总是跑在最前线，认识黄时牧后与他站在了同一条战线。那我不叫了。