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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.The skill of arrow rain is not recommended by the landlord in previous posts. Because its magnification is 450%, it cannot trigger the head shot (doomed to have very low damage), so its practicability is relatively low in actual combat, but after cooperating with the explosive arrow, the arrow rain has good effect. A comparative analysis is given downstairs.Hole position1934年秋天，第五次反“围剿”失利后，中国工农红军被迫撤出江西中央苏区，突围西征。这时，已被剥夺军权的毛泽东审时度势，在王稼祥、张闻天、周恩来等人的支持下初步清算了“左”倾冒险主义军事路线。12 Cloud Manufacturing张槐安慰地抱着她，低声道：等明天就知道了。For example, the meat quality of wooden stakes in the driving range is 0, the small barrel is about 30, the large barrel is about 50, and the head of the female dragon is about 20.