| 单词 | cog railway |
| 释义 | cog railway cog railway n.（名词）A railway designed to operate on steep slopes and having a locomotive with a center cogwheel that engages with a cogged center rail to provide traction.Also called rack railway 齿轨铁路：为在陡坡上运转而设计的铁路，牵引机车有中央嵌齿轮，它与装齿轮的中央轨道啮合以提供牵引力也作 rack railway |
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