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张曲文在心里为自己辩解。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.朝仓光一（神尾枫珠 饰）虽然被自己的才能限制所困扰，但却梦想着有一天能成为“什么人”。山岸艾伦（池田依来沙饰）虽然拥有压倒性的艺术才能，但也因为是天才而苦恼和孤独。高中时代命中注定的相遇的两人，不久就成为了广告代理店的设计师，和以纽约为活动据点的画家，走上了各自的道路… …痞子被人从街头流浪汉摇身变为靠躲子弹与无聊直觉过日子的警探，坐拥名车豪宅，还有大量现金供他零花，他只要到街角的便利商店买杯咖啡，线索自然会送到他手上。他明白这是「附加条件」，若不当警察就会失去这一切。慢慢地，他真的相信自己是个与众不同的警探。Giving meaning and fine coding: (quasi) experts can understand the words and terms in their own fields very quickly, and when storing information, they can consciously adopt various metacognition processing strategies.3. Aircrew Physical Examination Certificate