The plate keel to be connected firmly with stem and stern frame.

平板龙骨应与艏柱和艉框架牢固地连接。

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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。

youdao

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.

首先是镗孔，然后安装尾轴承，接下来安装炮铜或白合金的轴承套。

youdao

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.

首先是镗孔，然后安装尾轴承，接下来安装炮铜或白合金的轴承套。

youdao