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

While in Saudi Arabia, Bush also issued a stern warning to Iran in the wake of a January 6 confrontation between U.S. Navy and Iranian vessels in the Strait of Hormuz.

CNN: Bush ends Mideast tour with peace push in Egypt

It is easy to see why Mr Bush will be under pressure to look stern in the photo-calls in Beijing.

ECONOMIST: China and the West