Chinese helicopter theory youtube vids Flashcards
1
Q
直升机利用翼型原理产生升力
A
Zhíshēngjī lìyòng yì xíng yuánlǐ chǎnshēng shēnglì
Helicopter uses airfoil principle to generate lift
直升机(helicopter) 利用(use) 翼型(airfoil) 原理(principle) 产生升力(generate lift)