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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, 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.太麻烦了，咱们还是下五子棋吧。《林中迷雾》是 Netflix 的第二部波兰原创剧集，是哈兰·科本和 Netflix 的又一部合作作品，其他作品包括即将上映的英国剧集《陌生人》和西班牙剧集《El Inocente》。月下谢谢你们。小警车小治怀着警察梦想来到新都汇寻找失踪的爸爸大卡， 在过程中结识了清洁车嘟嘟、救护车小芸、工程车阿特和消防车大雷等 朋友，但却意外的卷入一场破坏城市交通的巨大阴谋中，小治带着寻找爸爸的决心，和同伴们开始了对抗邪恶势力的征程......他扫视一圈众人，冷冷地问道：谁是黎章？黎章一惊，正要上前，就听何风道：二叔，怎么关心一个小队长起来了？何霆侧首对他猛瞪眼喝道：大胆。该剧改编自蓝艾草的同名小说，讲述了胭脂虎胡娇与玉面狐许清嘉因一纸婚约欢喜结缘，夫妻携手共闯官场江湖的故事。