| 释义 |
service ceiling ˈsɜːvɪsˈsi:liŋ 短语¹⁸⁰⁰⁹⁸⁺¹
基本英英近义反义例句例句
实用升限
Noun:
altitude above which a plane cannot climb faster than a given rate近义词 combat ceiling战斗升限
Most commercial jets have aservice ceilingof about 42,000 feet.大多数商用喷气式飞机的实用升限在四万两千英尺左右。 The bomber aircraft and fighter- bomber's service ceiling, most does not surpass16000 meters.
轰炸机和歼击轰炸机的实用升限，多数不超过16000米。 qdcs5
Fighter plane's service ceiling about 20000 meters, high-altitude surveillance aircraft like US's SR-71, service ceiling approximately25000 meters.
歼击机的实用升限在20000米左右，高空侦察机如美国的 SR-71，实用升限约25000米。 qdcs5 |