| 释义 |
DEFINITIVE EXAMPLES 权威例句〔airscrew〕The propeller of an airplane.飞机螺旋桨美国传统〔pitch〕The distance that a propeller would travel in an ideal medium during one complete revolution, measured parallel to the shaft of the propeller.推进器转一圈的距离:飞机螺旋桨旋转一次的前移距离,以其与螺旋桨相平行的距离衡量美国传统〔tractor〕An airplane propeller mounted in front of the supporting surfaces.牵引螺旋桨:安装在支承面前面的飞机螺旋桨美国传统 |