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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, A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, the O-ring 10 is further arranged at 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 which 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 packing assembly 9 comprises a flexible graphite packing layer.What should I do if I encounter a bottleneck//038渡边谦挑战喜剧的该节目，以广告代理店「电报堂」为舞台。本剧以渡边饰演的具有亲和力的营业部长·五十风为中心，刻画了被提醒后会引起职权骚扰的新人、净是消极发言的营业员、发言直接的归国子女、只对女性艺人积极的撰稿人、偶尔打出大热的策划人等展开的人间喜剧。Insulating materials on which conductive patterns can be formed are divided into rigid and flexible materials.我需要……迪哥思索道，至少三艘武装帆船，虽然我计划从墨西哥西岸登陆，那里海盗会少一些，但还是要防范，一般海盗看到有武装的舰队都会犹豫。辛普森一家是来自美国普通的五口之家，荷马（丹•卡斯泰兰尼塔 Dan Castellaneta 配音）是春田镇核能工厂的安全检查员，母亲马芝（朱莉•卡夫娜 Julie Kavner 配音）曾经是一个很有思想的女性，自从嫁给荷马后渐渐地适应了主妇生活的定式。巴特（南茜•卡特莱特 Nancy Cartwright 配音）是家中的长子，天性顽皮的巴特经常爱玩一些恶作剧，以至于经常惹麻烦。妹妹丽莎（雅德丽•史密斯 Yeardley Smith 配音）是一个很聪明的孩子，同时还是素食主义者，佛教徒，爵士乐。小女马姬是一个永远长不大的孩子。故事设定于虚构小镇春田镇，从许多角度对美国的文化与社会、人的条件和电视本身进行了幽默的嘲讽，经久不衰。