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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, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, An O-ring 10 is further dispose at that upper portion 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, 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, the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity, and the two O-rings 10 are respectively arranged on the inner side and the outer side of the packing gland 11.该剧由许多个小爱情故事组合成的大爱情故事，是一个爱情的接龙游戏，是一幅爱情众生相的拼图。故事由夏心桔的爱情经历开始演绎。Such as the Golden Rainforest, which was founded in 1994, Due to the lack of awareness of children's learning ability in early society, He cooperated with the hospital at the beginning of his business, A learning ability clinic is set up in the Capital Children's Institute. Help children to carry out ability training, However, in the later period, the Golden Rainforest gradually realized that cooperating with the hospital is tantamount to limiting the training of children to "patients with lack of ability", which deviates from the original market positioning of "training every child's learning ability". Therefore, in 2002, the Golden Rainforest adjusted its work and sorted out its direction to transform to the direction of education and excellence. At present, it has developed into a learning ability excellent education institution for children aged 3-14 with 200 centers nationwide.《向西聞記》改編自香港著名網絡小說作家、向西村上春樹歷年來的最佳短篇小說，劇集分成13個單元，期望帶給香港人有創意的電視劇；劇集班底亦為港產史上最強，並由張繼聰主演，他在宣傳片中說：「香港人唔使再忍喇！3月8日，hmvod原創劇集《向西聞記》隆重首播。」首個出爐單元，會係張繼聰同榮升媽咪級嘅胡杏兒聯手演出兩集《畜牲傳心師》。戲中張繼聰飾演一個招搖撞騙嘅動物傳心師，四圍呃錢又呃女，就連最心愛嘅杏兒都唔放過。喺預告片入面阿聰仲不停爆粗，流俐之外仲字字鏗鏘「喺香港最搵錢嘅工就係呃x人！再高一個level係呃x人錢，又唔犯法。」板栗道：爹，你一口气说完不好？省得耽误时辰。故事发生在中国边境的小城峙甸，聪明的80后网络高手岳峰是我们故事的主角，他在入侵网络分脏赌资的过程中，意外卷入了毒枭沙里温和缉毒军人阮凌皓的斗争，回到家后，岳峰却意外发现自已已经脱离不了干系，因为他无疑间知道了巨款的帐号和密码，他为了不让父亲被黑道毒贩们跟踪和牵连，顺从了父亲的的意思：参军了，在边境到回家的过程中他又认识了同龄女孩黎佳。If the steam parameters are increased, it will help to improve the utilization efficiency of waste heat, increase the power generation and increase the income of waste plant, but at the same time it will also aggravate the corrosion of waste heat boiler materials, shorten the service life of equipment and increase the depreciation cost. The boiler parameters of the first phase of Guangzhou Likeng Waste Incineration Power Plant are 5.4 MPa and 490 ℃, reaching the sub-high pressure parameters. The economy of adopting the sub-high temperature and sub-high pressure parameters and the adaptability to China's national conditions are still being explored.