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游晓把副驾驶的门关上，但也没着急走。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, An upper part of that O-ring 10 is provide 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, the two O-rings 10 are concentric arranged, and the inner diameter and outer diameter of the two O-rings are different.Introduction to the Unpacking of AnchorChef Low Temperature Slow Cooking Machine"Web Security" CSRF Attack and Defense, the First Defense Line for Web Security海伦·米伦与伊恩·麦克莱恩即将出演新线的剧情片《The Good Liar》（优秀的骗子，暂译）。影片将由比尔·康顿执导，他最近的作品，就是在全世界狂揽12亿美元的《美女与野兽》。 在影片中，伊恩爵士饰演一名职业骗子，当他遇到海伦·米伦饰演的富裕寡妇时，简直不敢相信自己的运气。这位寡妇把自己的生活和家门都向骗子打开，骗子却发现自己是真的关心她，让这笔本该骗了就撤的买卖，变成了像走钢丝一样的危险关系。B. Active, latent, acute or sexual disease;