单词：flight-testing
flight-test的用法和样例：
例句
- The trial flight has made the grade.试飞成功。
- The engine cracked on the first test flight.在首次试飞时，发动机发生裂纹。
词汇搭配
- flight test agency飞行试验局
- flight test area飞行试验区
- test flight试飞
- flight test engine试飞发动机
- flight test飞机试飞
- certification flight test动力装置飞行试验...
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