First you need the boring for the shaft, then install the stern tube into the stern frame, next fit the gun-metal or white-metal bush.
First you need the boring for the shaft, then install the stern tube into the stern frame, next fit the gun-metal or white-metal bush.
首先要镗孔，然后安装尾轴管，接下来装炮铜或白合金制的轴承套，也叫轴承。