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范文轩点头道：不错，我们一直为此借口拖延着，知道始皇帝嬴政驾崩。狗东西，竟敢徇私。男孩与女孩萍水邂逅，从此杳无音讯……却留下了一生的约定。黎章一挥手道：什么都不用忙，你去做些好吃的送来我吃——我这是饿的。刑警普克在抢救被击成重伤的盗窃主犯左小兵时，认识了年轻女医师米朵；米朵曾把左小兵从死亡线上抢救回来，这次却没有成功。左小兵的死深深地打击了米朵，使她对人生的价值产生的怀疑，决定从医院辞职。与此同时，市政府文化局女干部王敏被杀、普克参与调查此案没有找到任何线索，在例行调查中也调查了市政府某局长陈志宇，陈志宇给予很大的配合和支持，但案情没有进展…板栗奇道：青莲，你咋不搛骨头给葫芦哥哥啃哩？郑老太太听了，又想接过话去解释，当然还是发不出声音，无奈闭嘴。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.