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Cad shortcut-baidu encyclopediaWhen she was "appointed" by the leaders at the two sessions that year, she was dressed in this conspicuous red dress. Since then, in order to get the right to ask questions as much as possible, many female reporters wear red coats every year.A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, the 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. The arcuate end face 12 forms a line seal between the sealing surface of the valve body 1 and the valve seat 7. The water grain 41 can ensure the sealing performance of the valve seat 7 and the valve disc 4.吕馨放下手里的刀具，看向陈启，眼神柔和，嘴角不自觉出现一抹笑容。就在这一刻，太阳升起，灿烂的阳光照耀大地和山峦，空气中洋溢着令人振奋的草木香气。"Then you didn't take any remedial measures at that time?" I asked.