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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."We tied nails and belts to make wooden rafts. The rafts were tied into the water. I was tidying up the liferafts. Chief mate Fu Yizhong got on the rafts. He waved to me while laughing and said, 'Don't make any noise, you come up.' He said several times, but I said I didn't finish it. Wait a minute. At that time, there were three more on the raft besides the first mate. Song Guochun, Gong Xuejun and Ding Yumin all put on life jackets.鸦雀无声，杨寿全在沥海的威严终究是在的。戈登·拉姆齐与国家地理频道合作的六集美食纪录片《戈登·拉姆齐：美食秘境》(Gordon Ramsay: Uncharted)正式定档，戈登·拉姆齐来到阿拉斯加、老挝、摩洛哥、新西兰、夏威夷、秘鲁等国进行美食探寻，于7月21日播出首集。草民不敢妄言。夏禹治水时，把全国疆域分为九州，徐州即为九州之一。