庞巴迪宇航公司新的ＣＲＪ７００支线喷气机的飞行试验已明确地表明，性能达到１９９７年启动时公布的性能，且将超过客户的预期期望，并可提供更好的使用经济性。试验表明，ＣＲＪ７００的使用空重比公布的空重低５４千克，且是市场上最轻的７０座级飞机。减轻的重量带来同等 Flight tests by Bombardier Aerospace’s new CRJ700 regional jet have made it clear that performance reaches the performance promulgated at the start of 1997 and will exceed customer expectations and provide better economy of use. Experiments show that the CRJ700 uses 54 kg less empty than the published empty weight and is the lightest 70-seat aircraft on the market. Reduced weight brings the same