英文: Love is the propeller of education.
中文: 爱是教育的翅膀。英文: Measuring clearance between propeller shaft &bearing.
中文: 螺旋桨轴与轴承间隙测量。英文: How do you install the propeller?
中文: 怎样安装螺旋桨?英文: A: Check the engine and propeller bolts.
中文: 检查引擎和螺旋桨螺丝。英文: Aligning intermediate shaft and propeller shaft after launching.
中文: 下水后中间轴和螺旋桨连接后校中。