船闸人字门底枢承轴台圆盘外是否应设置铜轴衬的讨论

船闸人字门底枢承轴台圆盘外是否应设置铜轴衬的讨论的英文翻译

基本释义

• Discussion on the necessity of installing copper axle bush outside the disk of the support axle bench of bottom hub of miter gate of navigation lock