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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 41.2. Next, we can enter the map style interface, where we can set the format uniformly. It should be noted here that MindManager mind map software can only set the 5-level format at present, as shown in the following figure.民国初年，上海号称「东方冒险家乐园」，各路英雄豪杰云集。当时上海三大亨合力建造叱咤风云的流氓集团，素有「翟金棠（汤镇业饰）贪财，龚啸山（黎耀祥饰）善打，乔傲天（黄秋生饰）会做人」的说法，要成就大业，往往要不择手段。而傲天、啸山、金棠亦历尽大时代的波澜起跌、敌友之间的尔虞我诈。在这时局纷扰的年代，又有谁能彰显出人性的光辉？希望大家能给月下一点时间调整，月下一定不会让大家失望的。That is, its startup mode can be directly configured in Fanifest or defaulted to standard, and the task stack can be set at will.优酷青春校园剧《任凭时光沸腾》2020年5月开拍并招募演员（详细组讯如图） 青春、校园、轻喜 出品方：句点影业 开机时间：2020年5月 制片人：李嘉嘉 导演：探花 代表作：《器灵》《仙侠客栈》《医妃难囚》 摄影：张海军 代表作：《男人帮》《广角之恋》《医妃难囚》“新婚的男女主角生活有滋有味，女主的弟弟，同时也是男主的”好基友“（男二号）厚脸皮地和他们同住，三人生活笑料不断。而他们的各路亲朋好友，也常常来到他们的公寓，带来啼笑皆非的故事。“