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The original method!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.Questioner: Dream Cold Night Stars我就想着如何将身体的力量全部连贯到剑刃上，发挥出来。因此尹和左明都毫不犹豫选择了直接冲锋。剧《别活得太累》是一部富有生活气息和时代感的轻喜剧。这部戏的主题是严肃的，而它撷取的生活素材是丰富多彩的，编织故事的手法是轻松幽默的。中主人公各家和整个小区组成了本剧的生活空间，他们之间相互联系，相互感召，相互映衬，最后使各家的成员们殊途同归，汇入了健康生活的洪流，进一步揭示了“我们健康的社会需要由健康的人和健康的人性来组成”这一深刻的主题。板栗忙道：那咱们走快些吧。