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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.民国初年，滇军旅帅杨兆麟突然患病不起，神医乔征被招入帅府，惊愕地发现杨兆麟是被人暗下毒药。杨兆麟临终为女儿杨月招婿纳夫，杨月却同时爱上了郑武和郑斐兄弟俩。最后杨月选择了郑斐，郑武妒恨交加，一个神秘的“哑巴”告诉了他的真实身世，他心潮难平，谋划了陷害忠良的奇冤。陈先生想投资游戏？琥珀的主要负责人杜宇说道。在采访期间，《囧报》执行编辑方凝在上司以结业的危机下，需要其网上点击率上高于同业的竞争对手《闪报》才能继续经营。却无意陷入了寻仇者闯入电视台用炸弹挟持人质，向政府高层请愿通过恢复二次申诉，作为媒体两方是如何站在各自立场斗智斗勇，事态不断升级，人质命悬一线。　　天兵一号赖虎(林道远饰演)，虽然外形壮硕，名字罢气十足，但却是个本性懦弱、胆小如鼠的纸老虎。他被黑社会教父老爸把他送入军中改造，是否能脱胎换骨，蜕变为铁铮铮的男子汉？刚刚我看到船头两舷刊有字号，长短应该是某府某县的。