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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.文初和鲁如花是一对欢喜冤家，开始阶段二人误会不断，但在相处中，文初逐渐发现鲁如花其实和自己所想的并不一样，为了帮助患有先天疾病的双胞胎弟弟鲁似玉筹集医药费，鲁如花想尽办法去勤工俭学。冷若冰霜的文初被积极、可爱的鲁如花不断吸引，正当二人感情升温之际，鲁似玉的病情、文初家人的压力向二人袭来。贝氏集团CEO贝澈的特别关怀让二人的感情出现危机。鲁如花从未向生活低头，而文初亦排除万难走向鲁如花，她即使是仙人掌，也会在沙漠里开出最美丽的花朵。“世上每种文化，都提到过小人族的故事”，传说、神话、童话……不计其数的人曾经幻想在山林里、草丛中、罐头盒里或是地板下，找到自己的袖珍同类。英国作家玛丽·诺顿（1903-1992）以五册幻想小说《借东西的小人》系列，在英美家喻户晓；这是一部荣获卡内基儿童文学奖与路易斯·卡罗尔书籍奖的童话名作，它用精彩的故事讲述了友情、生存、自由等永恒的话题。十六岁的“借物一族”少女阿丽埃蒂和爸爸妈妈一起住在一座大房子的地...这次他也学乖了，知道自己年龄摆在这里，后面的会试直接弃考，提前回严府。沈曼婷从不觉得一定要女儿们嫁的富贵才是好生活，但她却无论如何也没想到，女儿们却一个一个或被动或主动地掉进或跳进那一扇金光灿烂的光耀门庭里。 　　看着女儿们在表面光鲜的豪门中心内却压抑痛苦，沈曼婷却帮不到她们，甚至还因女儿们的选择不得不自己再次面对多年前的梦魇。玉欢其实是沈曼婷与当年情人林志成所生的女儿，未曾想二女儿玉璇却偏巧嫁给了林志成的独子林淼。实际上玉璇并非沈曼婷亲生，却正是林家女主人邵志红亲生，这一桩孽缘官司就足够让当事人崩塌了的。而玉欢则爱上与林家既是对手又有渊源的金家大公子金天桥，在商场上两家不可避免的针锋相对和尔虞我诈，彼此却有牵绊连连。在国外读书的小女儿玉琪，又因为不爱那专业更爱表演而回国发展，就这么着结识了金家二公子金天胜。金天胜藏匿富家身份，只做着喜爱的摄影工作时，哪知父亲却在用金钱诱惑着自己的女朋友。玉琪虽机智聪明，免于被潜规则，但日后终于与未来公公见面时，亦不免大尴其尬。玉琪后来因与天胜的误会而导致车祸毁容。只是所幸又因天胜而坚持而重生。3. Alt + click; You can suck the material used in the click into the material library and set it to the current material.