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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, 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.夏林联系了一下，当天下午，这个方韦就过来了。Three, how to do a good job in content products该剧以沈阳市铁西区的涅槃重生为着眼点，以20世纪九十年代初的国企改革民族工业振兴为背景，至情至性的展现了十年间铁西区普通劳动者在历史的进程和改革开放的大潮下，经历难以想象的阵痛挣扎奋斗牺牲后，最终脱胎换骨、破茧重生的艰苦历程。它是一曲描写东北产业工人大规模下岗后，自强不息、群策群力、重新赢得个人尊严与价值的都市励志颂歌；也是一部从家庭伦理和社会道德的层面，生动反映东北老工业基地历经磨难、屡败屡战、起死回生、重铸辉煌的感人故事；同时也是一篇讴歌人性善良、正义，弘扬邻里工友之间于困苦危难之际互敬互谅、互帮互助、相濡以沫的大众史诗。本剧以身在南洋艰苦奋斗的热血儿女在革命精神的指引下，积极为了国内的革命事业出钱出力，最终在革命党人朱瑾(隋俊波饰)的正确指引下全都积极投身革命事业，为新中国最终的伟大胜利做出了不可磨灭的贡献为内容核心，以黄圣依、佟大为饰演青梅竹马的恋人陶舒燕与简肇庆的凄美的爱情故事为主线。在剧中简肇庆从懵懂的少年，到与青梅竹马的恋人陶舒燕生离死别下南洋，而后陶舒燕为爱赴南洋寻简肇庆，正当二人久别重逢喜极而泣之际，却爆出两家祖上的恩怨世仇又使有情人却成劳燕分飞，后经两人情真意笃相思相守的冲破封建牢笼又有情人终成眷属，最终却因误会而演绎了一场罗密欧与朱丽叶的悲剧恋情。Top weightlifting shoes. Prices are generally above 200 yuan. The most expensive is over 400 dollars. These are basically only seen by players at the national or regional team level.赵宝儿剧中饰演债务人家的大女儿，生活能力强的空姐独汝周一角。