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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, A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, 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 which forms a line seal between the valve body 1 and the valve seat 7, and 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.编自同名漫画《异姓兄弟和平共处法则》，讲述外表高冷却内心闷骚的兄长与呆萌又中二的异性弟弟两人之间互坑互助的日常，攻守高下立现！脑洞新奇绝对让你看得停不下来，他们到底会擦出什么样的火花呢？-Execute method through EventHandler板栗冷笑一声，转身对外大喝道：孙铁何在？魏铁在外面高声答应：传孙铁上堂。According to the same method, WeChat can be installed again. Officials say it can support 100 WeChat. People will not be so crazy, ha ha.毛海峰这便转身，提着风铃朝小艇走去：走吧，带着美人。