Before the first nonstop flight made in 1949, it had been necessary for all planes to land for refueling.
在1949年第一次直达航班开通前，所有飞机都必须要着陆加油。
With 30 different sizes and models in 3 or 4 column design REIS offers a broad program for trimming and machining of castings in all planes with shortest cycle times.
3柱或4柱设计，共有30余种不同尺寸和型号。莱斯提供的铸件多面修整和加工的整套程序使得生产节拍达到最短时间。
All planes out of Heathrow have been grounded by the strikes.
所有由希思罗机场起飞的飞机均因罢工而停飞。
All planes are being inspected for possible cracking and corrosion.
所有的飞机都在接受检查，看是否可能有裂纹和腐蚀现象。
All planes are being inspected for possible cracking and corrosion.
所有的飞机都在接受检查，看是否可能有裂纹和腐蚀现象。
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