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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.Night Shadow Parameter Setting: Automatic White Balance, Sensitivity 100-400可年前到的话，一直停留到上元佳节，似乎又太长了些。　　她们只好组队抗敌, Celia 找来好友 Iris 为伍,Meimei 则与 _Monna 为伍, 四女分成两党, 在同—屋筐下互相斗法, 施展女生整垒技俩, 退敌不成, 却搞出笑料。 　没有什么工作比消防员更紧张、更危险、更令人兴奋了－－对芝加哥51号消防站应急救援队的成员来说尤其如此。美国人把他们看做英雄。每当遇到紧急情况的时候，别人都急着往外冲，但这群勇敢无惧的男女却义无反顾地冲进最危险的地方。他们每天都要和死神打交道，每天都要在最紧张的时候做出最重要选择，每天都要面对自尊与自负的考验，工作的责任和压力给他们的性格带来了巨大影响，队员们之间发生矛盾似乎是不可避免的。 一场悲剧夺走了一名队友的生命，所有人都陷入深深的愧疚和自责。副队长Matthew Casey（Jesse Spencer）正在和妻子（Teri Reeves）打离婚官司，但他不想表露出自己脆弱的一面，而是装作「一切照旧」。可他总是和傲慢无礼的救援队副队长Kelly Severide（Taylor Kinney）闹矛盾，并且相互指责对方应该为队友的牺牲负责。不过，每当遇到紧急情况需要救援队出动时，他们会自觉地将矛盾放到一边，带领队员们通力合作，出色地完成任务。谢胡大人。Medical history is more important than current medical history, flight accident symptoms and social adaptation. See Appendix A to GBL6408.3 for others.