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RTI国际金属公司总经理G. Rupter预言，在未来20年里商用飞机生产用钛量将会翻番。商用飞机制造商调查结果显示，到2020年世界商用飞机总数量将翻番。在未来20年里将有约18000架新的商用飞机交货，这些飞机将使用48000个新型喷气发动机，这意味着钛材在飞机工业消费量将由目前?
G. Rupter, general manager of RTI International Metals, predicts that titanium production for commercial aircraft will double in the next 20 years. Commercial aircraft manufacturer survey results show that by 2020 the total number of commercial aircraft in the world will double. In the next 20 years there will be approximately 18,000 new commercial aircraft delivered. These aircraft will use 48,000 new jet engines, which means that titanium consumption in the aircraft industry will be from now?