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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.The picture shows Mr. Sun (first from the left) summarizing the contents of the symposium.Disney+新剧《现实生活中的皮克斯》(Pixar In Real Life，暂译)发布海报。官方暂未透露该剧的具体内容，但有网友爆料该剧集将在现实生活中还原皮克斯动画中的场景与角色。剧集将于11月12日登陆Disney+。By writing poems, he forced himself to come up with a large number of other different words, which he usually did not think of.可朝廷所派县尉突然死去，同样会走漏风声。项梁笑着将刘邦映入帐中：刘沛公，快请快请。