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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, A valve seat 7 is arranged between the valve disc 4 and the guide sleeve 6, a packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, an O-ring 10 is further arranged on 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, the arc-shaped end face 12 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.胡亥微小的要求，依旧毫不留情地拒绝了。= = = Looking at society from the perspective of education, looking at education from the perspective of society = = =解决了这个武林豪客后，谢逊又看向一人。今天经过这么多事，他心里有些不好受也是难免的。广西十万大山，方圆百余公里，山高林密，谷深峰险，土匪多如牛毛。新中国建国初期的1950年，为肃清匪患，人民解放军奉命剿匪，故事由此展开。我部侦察科长曾泰冒充台湾派到土匪李汗光部当副司令的雷震庭打入匪窟。匪首李汗光、李月桂对副司令的到来产生怀疑，在欢迎晚宴上让养女阿兰陪副司令跳伦巴舞，曾泰沉着应变，通过了敌人的第一次考验。接着曾泰又识破了李月桂让土匪伪装为解放军俘虏的把戏，通过了第二次考验。由于敌人对我军的军事行动有所了解，曾泰断定我军内部有敌人的特务。当地除了李汗光这股势力较大的土匪武装外，还有原在此地的土匪潘定彪和何家山庄的何老太另两股土匪武装，他们明争暗斗，相互倾轧。曾泰利用自己“台湾特使”的特殊身份，挑动它们之间的矛盾，以其使他们产生内讧，削弱力量。李月桂对副司令仍不放心，派阿兰监视副司令并多次进行试探，曾泰未为所动，并尽力救助了因监视自己时被毒蛇咬伤的阿兰，使阿兰萌生爱意。国民党大军溃退时在当地留下了一批军火，成为各方寻找和争夺的对象，也成为三股土匪武装反目的原因。曾泰的未婚妻赵将来越方出现一个三足鼎立的状况也是非常不错的。