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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.尽管开口就是了，许负一定知无不言言无不尽。那末将呢？李左车是个闲不住的人，而且此战关系重大，主动请缨是必然的。美好的青春岁月，两对彼此熟悉的朋友方以乐和发小何田田，谢迟和同桌邢嘉亮，因为偶然的懵懂心动，再加入一点勇气和乌龙，就被命运拖来拽去成为了对方生命中重要的一部分。几个人相互鼓励，彼此欣赏，在发生的一个又一个细腻温暖又不失趣味的故事中，度过了充实又可爱的高中时代，并携手走向了未知但充满希望和挑战的明天。　渴望成为歌手的姚瑶，美女模特程子轩，时尚设计师林茜和搞怪大学生Lily四位不同气质的美女生一起生活在嘉庆这个美丽城市之中.共同开了叫 “女神厨房”的餐厅，利用美食和女神们的经验，为城中少女解决爱情之事。女神厨房只有一条规矩，就是只招待女生。四位女神除了提供美食，还为客人解答问题的女性问题，让这些平常在男权社会受压抑的女生们，好好地抒发情感。女神厨房就如女生的秘密花园，大家在这里创所欲言女生的情感，而同时间，Lily也预言到，其他三位女神将会开展属于她们浪漫爱情故事，这些故事都令她们开始真正认识自己…电影《咖啡风暴》在中国、意大利、比利时取景拍摄，讲述了三段感人至深的故事，展现了不同文化背景下多样的人文情怀。影片利用咖啡悠久的历史、丰富的味觉体验和地域差异等特征，展现了当代世界面临的种种挑战。