英语词汇“pnr”的翻译、意思、用法、释义-英汉双解词典-注文网

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	superheater furnace superheater header superheater header end plate superheater header support superheater outlet leg superheater outlet line superheater outlet pressure superheater pipe superheater pipe support superheater pyrometer superheater return bend superheaters superheater safety valve superheater steam circuit superheater surface superheater temperature alarm superheater trimming damper superheater-tube superheater tube superheater tubes superheater unit superheater unit bolt superheater unit clamp superheater vent superheat fuel assembly cluster 青天打下一个霹雳青天无云月如烛，露泣梨花白如玉青天无云月如烛，露泣梨花白如玉。子规一夜啼到明，美人独在空房宿。青天无停云，沧海无停津。遣妾空床梦，夜夜随车轮。青天有月来几时，我今停杯一问之青天有月来几时？我今停杯一问之青天白日的节义，自暗室屋漏中培出来。青天白日花草丽，舒罗散縠云雾开。青天白日花草丽，阆苑瑶台岁月长。青天白日说鬼话外朝外来外柔内刚外栈外校外植外欠外毒素外气外水