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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, A valve seat 7 is arranged between the valve disc 4 and the guide sleeve 6, a packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, an O-ring 10 is further arranged on 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, and the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41.叶琳琳撇嘴说道：我哪知道？你问他吧。In addition, the structure of the mind map is divergent, which is very beneficial to the divergent thinking and creative thinking of the brain, and it is also easy to add new content. However, if new content is added in the middle of the two lines of text notes, the traditional linear notes will become dense, and even the lines will be introduced everywhere, which is neither good-looking nor conducive to summary.The 24th Olympic Games in 1988 was included in the official competition.故事的主角申智贤（南奎丽 饰），是一个不谙世事、乐观而单纯的富家小姐。沉浸在幸福之中的她，正为自己的婚礼而奔走忙碌，却遭遇一场突如其来的车祸。当她醒来时，发现灵魂脱离身体，而死神的调度员（丁一宇 饰）告诉她，复原必须在49天内找到三滴100%“真诚”的眼泪，但不能让他人知道自己的真实身份。市政府市民科科长渡边勘治（志村乔饰）是名近三十年全勤的模范公务员，然而他和同事们每天忙碌却人浮于事，不知道自己在忙些什么。一帮妇女联合到市政府申请填平社区附近的臭水池，在上面建造个小公园。市民科的接待人员告诉她们要把问题反映到土木课，公园课把她们推到建设科……，申请书转 了一圈后，又被踢回市民科。　　罗放和赵磊将付强送进医院，在医院赵磊见到老婆潘薇，因为潘薇正在和赵磊闹离婚，所以见面的气氛微妙。他们离婚的原因是因为孩子，孩子因为有血液病而做透析，但终于孩子还是死了。