In the initial operation of Ertan Hydropower Station, its oil, water and compression air systems occur many problems so that the new product and technology are applied to improve them.
二滩水电站投运初期，油、水、风系统先后出现了许多问题，通过应用新产品和新技术对其进行了改造。
Coalification oxygen did not take over the station, oxygen production has been the use of mechanical compression air separation oxygen, power loss and annual maintenance cost of large equipment.
煤化公司未接管氧气站时，氧气生产一直是采用机械压缩空分制氧，每年电能损耗及设备维护保养费用很大。
No air bubbles were present in the green ice, suggesting that the ice was not formed from the compression of snow but instead from the freezing of seawater.
绿色冰层中不含气泡，这表明了这种冰层是由冻结的海水形成的，而不是凝结压紧的积雪。
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