- dock leveller
- 浮坞: floating dock
- 平衡: balance; equilibrium
- 装置: installation; device; appara ...
- 平衡装置: balance device; balancer; balancing device; balancing equipment; balancing gear; contact dummy; equalizer; equalizing device; equalizing gear; equilibration system; equilibrium unit; trim system
- 自平衡装置: self balancing device
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