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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, 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, the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity, and the two O-rings 10 are respectively arranged on the inner side and the outer side of the packing gland 11.No.53 Xinbo Fu (China)前一世，20岁的女主慕容雪因偷听到恶毒继母想要毒杀父亲并夺取公司及家产的真相，被继母害死。这一世，脑海里仍保留前世记忆的她，重生回到了18岁，开始了她的腹黑复仇之路。继母沈春水为让刚进入公司的职场小白慕容雪知难而退，将公司与欧阳集团合作的大项目交给她负责。而欧阳集团的负责人，正是十分难搞的商界传奇、霸道总裁欧阳宗云。慕容雪为完成项目，努力学习、克服难关，得到欧阳宗云的另眼相看。继母见慕容雪将项目做得越发如鱼得水，想方设法中途换掉项目负责人。自此，慕容雪与沈春水之间产生了正面...This appendix includes routine examination items, methods and some disease identification principles for each department. For items that are consistent with the requirements of clinical examination, the physical examination shall be carried out according to the clinical examination method. Special items can be checked when necessary.Two, point to set the following "notice";思女心切的"美厨大师"李跃华自感老之将至孤寂冷清,急催爱女湘湘回国共度新春佳节并完婚了却终身大事.留美两年的湘湘早与洋小伙儿劳伦思情投意合,却又一直瞒着思想传统的老爸.关键时刻,好友小西慷慨出借自己的男友程子,以解湘湘燃眉之急.在李父的接风宴上,天性自然淳朴的程子对一桌中华美食的"满腔热情"赢得了李父的欢心,却让湘湘尴尬异常!与此同时,劳伦思也踏上了北京的热土.劳伦思一系列异于常人的打扮弄得众人摸不着头脑,疑心顿起.而由于程子的意外出现,也让劳伦思对湘湘的忠诚产生了误解,引发了新的喜剧故事!