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1. 试验飞行：trial fit-up ==> 校验台 | trial flight ==> 试验飞行 | trial frame ==> 试镜架
2. 試驗飛行;試飛：牐爐restle支架 | 牐爐rial flight試驗飛行;試飛 | 牐爐rial run試車;試行;試路
1. In July 1992 when he was in a trial flight, the aircraft being tested went short of fuel.
2. The trial flight is aimed to test its function and reliability in world major airports.
3. BEIJING - Air China on Friday conducted its first trial flight of a passenger plane powered by a mix of biofuel and traditional aviation fuel.
4. The biofuel used in the trial flight was produced from the seeds of tung trees.
5. A rescue helicopter lands at Ruijin Hospital during a trial flight last week.
6. It applied to CAAC for the trial flight in February and the application was approved after strict examinations.