• 1. stern bush: 艉轴套 | 艉轴管衬套 | 尾轴衬尾轴衬套 | 尾轴衬套
• 2. Stern tube bush: 艉轴衬套
• 3. two bush stern tube system: 双衬套尾轴系统

• 1.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。
  dict.yoduao.com
• 2.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。
  dict.yoduao.com

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