英语词汇“pnr”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	pnr
释义	pnr abbr.point of no return 不可返回点（不能用自带燃料返回基地的航线临界点），安全返航点; prior notice required 需要预先通知
随便看	tubular-type level tubular type preheater tubular type radiator tubular-type rotary-piston machine or engine tubular type strander tubular-type tank tubular type tank tubular tyre tubular uremia tubular vaginal speculum tubular vapor cooler tubular vapour cooler tubular variable capacitor tubular vector field tubular vision tubular visual field tubular vivet tubular washer tubular water bath tubular waterbath casting tubular waveguide tubular web tubular web, tubular film tubular well tubular welt

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