2,600 nm / 4,815 km Engine EnginePratt & Whitney GTF™ Thrust21,700 lbf AEO / 23,300 lbf OEI Made-in-Canada Geared Turbofan engine technology allows fan to spin at optimal speed, reducing fuel consumption and noise. 12:1 high by-pass ratio minimizes fuel consumption by maximizing effic...
1.greenride 2.map 3.guide 4.bird watching 5.5 hours 6.childseat 7.holiday 8.01743228906 9.weather 10.post office PART 2 主题:工作中心 题型:选择+匹配 参考答案: 11-16 选择 11.B 12.C 13.C 14.B 15.C 16.A 17-20 匹配 ...