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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, 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, 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, and the two O-rings 10 are respectively arranged on the inner side and the outer side of the packing gland 11.This attack will affect all DNNs, including those based on enhanced learning (https://arxiv.org/abs/1701.04143), as emphasized in the above video. To learn more about this type of attack, read Ian Goodfellow's introductory article on this topic, or start the experiment with Clever Hans (https://github.com/tensorflow/cleverhans).等张大栓和郑长河赶来，也劝不住两老太太。玉玺是真的，那么杀刘邦的理由就不够充分，关键还在项羽那里。　　在重生之前，车民本体和高世妍本体原本是青梅竹马的关系，车民还爱慕了高世妍足足20年，重生后的两人又会用自己现有的外貌和身份展开怎么样精彩刺激的剧情和冒险呢？！ 并追查自己前世的死因和真相呢？！欢乐喜剧人第6季小葱脑中灵光一闪，立即就想了起来，道：不错。