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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, A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, the O-ring 10 is further arranged at the upper part 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 which forms a line seal between the valve body 1 and the valve seat 7, and 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.What is a pattern? Simply put, skipping the proper plot advance (burning process), you can directly start fighting Lao Yi.胡宗宪何尝不知道这个意思，当即满足，亲书一信与司衙，务必让汪直与家人相聚。但是东京却简单地祝大家平安幸福。。。赵丽颖饰演成年后的何时雨（高中时期谭松韵饰演），喝醉酒后在一次真心话大冒险的游戏中，报名参加了一个真人秀节目，阴差阳错的要和校园时期有过懵懂爱情的却错过的男同学上真人秀当三个月情侣。成年后的杨洋饰演的男主已经是一个当红明星，与赵丽颖饰演的一个路人女生在电视荧屏上谈三个月恋爱，重拾过去的懵懂爱情，却又因为男主的身份而害怕接近，三个月的情侣假戏真做，男女主角从期待、误会、敞开心扉到假戏真做，再到娱乐圈的绯闻炒作……咱们老了，看着这些娃儿就心里舒坦。A blood type that is good at speaking and suitable for being an orator.