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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.　　导演金正权毕业于首尔艺术大学电影系，在影片《好莱坞儿童的生涯》(1994)、《The Happenings》(1998)、《间谍李铁震》(1999)中担任导演助理。第一部长篇处女作为影片《同感》(2000)，凭借该影片首这部电影是在蝎子的复仇之后拍摄的，英雄们被邵康袭击，这将迫使“热登和他的战士们达成一项协议，在决定王国命运的最后一场凡人快击中展开竞争。”这将迫使好人前往外部世界保卫地球王国，而蝎子则前往寻找卡米杜古（由全能的老神制造的神秘遗迹），然后再将其带回地球神秘的人，他会毁灭宇宙。(First Edition)越军兵围临淄，齐鲁之地已经尽数归入越国.\齐国上下，谁都不愿意看到的情况，可是现在确确实实地发生了。可若任他们这般东躲西藏，找不到踪迹，却也只能束手无策。《道士下山》讲述的是民国时期，外敌入侵，军阀混战，乱世中各类江湖人物纷纷登场。一个不堪忍受山中寂寞的小道士何安下偷偷下山，结果遭遇到一系列诡异奇幻的人物和事件。无心之中，他被卷入太极门掌门之争，并与来华偷师的日本忍者对局。后中统特务欲招揽其做间谍，他却利用这个机会帮京剧武生查老板截杀特务头子报夺妻之恨。何安下周旋于中统、纳粹博士、日本人和江湖之间，经历一系列匪夷所思的人物和事件，慢慢领悟武术的至理，而他的人生也永远的改变的故事。