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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, A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, 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 which 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, the packing assembly 9 comprises a flexible graphite packing layer.　　影片讲述了一个关乎友情、勇气与探索之趣的动人故事。关于人类这个“小脚怪”的消息让原本单纯的雪人族群陷入了骚乱之中，他们开始好奇，在雪村之外，究竟存在着一个怎样的世界？项云：西楚霸王项羽的后裔，在一次误以为死亡之下为缇萦医术所救，因此爱上缇萦。琴子不甘刘宣离她而去，一路追赶而来，四人陷入感情漩涡。直到查出父亲暗中为吕后制造“长生不老药”，联手刘宣毁掉父亲心血。长生不老药的后遗症是缩短寿命，一如昙花，虽美但不长在。杨长帆上前拉过翘儿，你个傻媳妇……就算不考虑可怕的戚夫人，也要考虑与戚继光的关系，这又是一本伦理乱账了。嘉靖只说了这么几句话便起身离去。2. Candidates are only allowed to carry necessary stationery when entering the examination room. They are not allowed to carry any other articles except black ink sign pens, 2B pencils, erasers and pads. Articles that are not allowed to enter the room are placed in the "small article placement place" set up in the examination room. No stationery is allowed to be transferred to each other in the examination room.