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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.也有了详实的对应之策。-Fen!澳大利亚剧集《费雪小姐探案集》将拍电影，定名为《Miss Fisher & The Crypt of Tears》，依然由剧版主演伊斯·戴维斯、内森·佩吉、米瑞安·玛格莱斯、艾什利·康宁斯担任主角。剧版导演Tony Tilse执导，编剧Deborah Cox也继续编写剧本，Every Cloud Production制作，10月在摩洛哥、墨尔本开拍。基于Kerry Greenwood所著同名畅销书，讲述20年代私家侦探芙里妮·费雪在澳洲探案的经历。鸦片战争后，中国的社会矛盾急剧激化。不堪忍受清王朝残酷压榨和外国侵略者疯狂掠夺的各地人民群众，纷纷组织起来进行英勇顽强的抗争。在这些此起彼伏、前赴后继的革命大潮中，以洪秀全为首领的“拜上帝会”于1851年1月11日在广西桂平县金田村正式宣布起义，并定国号为太平天国。从此，中国革命开创了一个新的历史时期。