小12萝自我欣慰扣出桨小说

年轻的白领小艾业绩持续垫底，生活一团乱麻。网络上的一个“穿越贴”，勾起了她回到五年前的强烈愿望，QQ里一位有着机器猫头像的好友阿蒙答应了她重回五年前的要求。通过阿蒙工作室里一件神迷的仪器和软件，阿蒙帮小艾制订出了重回从前的方案。果然，小艾后来一天天接近着自己的愿望。就在她将要回到二十岁的前一天，阿蒙告诉她，神迷仪器和软件根本不存在，随后不辞而别。半年后，阿蒙现身，揭开了这背后的一切。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.112. X.X.253尹晴柔，一个来自21世纪的小女生，因为意外碰触机关来到了历史上根本不存在的王朝。幸运地被一个冷酷王爷捡回了家，这位元气神经少女与形形色色的王宫权贵的故事也由此展开。Chapter 28Round 2: 1-3,