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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.In the source code, MotionEvent is a click event, and the distribution of click events is the distribution and delivery process of MotionEvent objects.住在糟屋郡粕屋町的高三学生的未来，从被恋人和朋友背叛的过去开始，就不能相信别人，也不能恋爱。“只要有音乐，那就是幸福”孤独的心唯一能满足的是，一个人用吉他唱最喜欢的歌。用SHINO这个帐号名，向SNS投稿自己唱的身姿的未来。红椒一看校场上的情形，就觉得热血沸腾。刚才他差点就要追上了，不可能跑远的。Windows Virtual Optical Drive (Daemon Tools Lite) Tutorial童悦8岁时遭遇父亲童志安遗弃，后得知母亲被小三上位的方佳慧关在精神病院，于是筹划多年，霸气归来的复仇千金童悦决心要让所有凌辱过她的人付出代价，却在手撕仇人时被意外冒出的霸总韩天麟打断，对于该如何面对这个曾经被自己拉黑的情人，童悦表示，对付他，啪一顿就好了。