Center of Asia-Pacific Aviation analyst Peter Harbinson said by removing IFE, airlines could save on a range of costs including licensing fees to production studios and maintenance fees.
亚太航空中心分析师Peter Harbinson表示，取消了机上娱乐设施后，航空公司可以节省大量的成本，包括电影制作工作室的经营许可费用以及维护费用。
It is analyzed why sand-removing effect of conventional cyclone desander is bad, and it is pointed out that the column of whirling gas in the center has a marked effect on purifying mud.
通用旋流除砂器中心部位出现的涡旋气柱会对泥浆净化效果产生不良影响。
It is analyzed why sand-removing effect of conventional cyclone desander is bad, and it is pointed out that the column of whirling gas in the center has a marked effect on purifying mud.
通用旋流除砂器中心部位出现的涡旋气柱会对泥浆净化效果产生不良影响。
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