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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.就听那小子道：大少爷死了。在转运罪犯的过程中，一向深得上级器重的武警某部猎豹突击队大队长刘闯，忽然背叛，打伤战友，协同重犯老五潜逃。此事件引起轩然大波。一路逃亡的过程中，从西北到江边，从长江到沿海，刘闯和老五不但面对我公安、武警部门的缉拿，还与老五敌对的某犯罪集团杀手展开激战。最终，刘闯凭借自己超人的胆识和强大的战斗力，取得了老五的信任，将他带上贩毒集团头目老七所在的远洋货轮。最终，刘闯与早已埋伏的猎豹突击队里应外合，发动突袭，将这一犯罪团伙一网打尽，并捣毁了该集团在中国大陆的所有秘密网点。刘闯凭借本次任务出色的表现，获得了立功勋章，同时也接到上级命令，担任新组建的“猎豹”反恐突击队队长，担负更加重要的国家级反恐使命。Number of plaintiffs: multiple3. ITunes will start automatically at this time and prompt you to resume the mode (iPhone will always remain black). Then you can hold down the shift key on the keyboard, click "Recover" and select the corresponding firmware to restore.抬笔蘸墨。