短語詞組短語propeller -blade area 螺鏇槳葉麪積;螺鏇槳槳葉麪積propeller master blade 螺鏇槳主葉mechanics of propeller -blade angle 槳角力學(xué)movable propeller blade [船]可動螺鏇槳葉propeller blade spacing 推進(jìn)器葉片間隔propeller blade chord 螺葉剖麪弦propeller blade area 螺鏇槳葉麪積projected propeller blade area 螺鏇槳葉投影麪積 返回 propeller blade