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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.《Missing：他们存在过》是以聚集了失踪的死者的鬼魂村庄为背景，讲述寻找尸体、追逐事件背后真相的悬疑奇幻剧。原作小说由纸城境介撰写、たかやKi负责插画，2017年起于KADOKAWA小说投稿网站「KAKUYOMU」开始连载，2018年正式出版，曾获得「第三届KAKUYOMU网络小说大赛」恋爱喜剧部门大赏、「这本轻小说真厉害！2020」文库部门新作第3名等奖项。香荽忙道：不要紧，我自己也会做鞋了。赵耘刚落衙，忙接了进去，又去叫了香荽出来，赵翔也跟着来了。Drug name: Rhamni purshiani cortex Rhamnus bosch peel这一点韩信很清楚，想必越国大军已经在调动，准备进攻齐国，虽然尚未收到消息，倒也**不离十了。