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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, 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, 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, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.宏远中学的帮扶对象是贫困县的光华中学。光华中学的校长因为大旱歉收缺少办学经费求上门来。宏远中学发起了一次为山区学生献爱心的捐助活动。罗天明特别提出，不许向家长要钱。行得十分成功。 　　张彬为了出风头，怂恿当个体建筑商的老爸出了一千块钱。结果，风头并未出成……果然董翳和左明太想留住他，将东阿一带的船只全部收集到两个渡口，不留一舟，让尹旭无船可用。　　昭娘和安公主从京城到大漠，受尽折磨，而此时安公主（郑爽饰演）也已长大成人，并与突厥亲王阿羯那思慕（袁弘饰演）产生凄美爱情，但昭娘悲情的一生却最终因守护安公主而终，而安公主也知道了其身世秘密。在《哥谭》作为蝙蝠侠的衍生剧播出后，DC继续决定将旗下的Lucifer也改编成电视剧。这位无聊的地狱之王在王座上过得可是一点也不开心。他下定决心抛弃他的地狱王国，来到洛杉矶成了位酒吧老板，追寻娱乐之都的刺激生活并协助洛杉矶的警察一起惩治罪犯。EncyclopediaExpand its popularity and influence in the industry, the region and even the whole country, and expand its market share. Therefore, the Company will step up its self-packaging publicity efforts, actively use various appropriate media and carriers, especially strengthen the construction of the Company's existing website, strengthen communication with other websites, link with each other, refresh in time, increase the number of items and contents, and increase the number of visits to the website.