p demonstrate
p演示
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Foremost among the recommendations: the safety board said all of the unlimited class aircraft like the P-51 Mustang should be made to demonstrate their airworthiness at racing speeds before participating in a public air race.
CNN: NTSB: Pilot overwhelmed by g-forces in Reno crash
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