propellers螺旋辊
propellern.螺旋桨;推进器=propellor.
propeller open-water test螺旋桨敞水试验
propeller shaft safety strap螺桨轴安全圈
propeller hydraulic cylinder推进器液压缸
propeller-type speed meter螺旋桨式速度计
propeller shaft splined yoke螺旋桨轴槽轭
propeller reinforcing girder螺旋桨加力梁,螺旋桨增强梁
Propeller - driven aircraft螺旋桨飞机
propeller shaft pinion flange传动轴主动齿轮凸缘