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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.Fan Ren, who met the policeman in Sanwarm, ran away again. Qinglan was urged by the credit card company to repay the money. Koko was not satisfied with Yishang's marriage partner Yu Ying, so he came to Yishang to reconsider his marriage. Patrol officers found Fan Ren's license plate number. He came to Fan Ren's house to ring the doorbell, but did not answer. He happened to meet Fu Ying. Yu Ying came to Yishang's home in Korean clothes, but Koko showed an impatient expression. Yu Ying found Fu Ying, who was preparing a packed lunch for Matan. She hurriedly said it was for a friend who rented a house. Yu Ying was surprised. Yi Shang and Yu Ying finally took their parents to the hotel to meet.…,关键是尹旭压根不想这么早暴露自己和陈平的关系，被刘邦知道了，对自己的防备和忌惮就会更多，彼此的协作就不会那么顺畅。当然了，他也很清楚这对于自己和齐国而言，是一场生死之战。田遥看到现在，总算明白黄豆心思了，就微笑道：二位何须争论。从守夜的制造者开始，Showtrial在法律斗争的双方之间切换，辩护方和起诉方为汉娜的真实遭遇以及塔利莎的真相而斗争：被诬告？还是冷酷无情的杀人犯？Let's talk about the concept of rules first, and then explain it in a popular way.