The tooth of a gear wheel. 【机】轮齿。 A projection on a beam to be received in a notch on another to join the two together. 榫；凸笋。 a cog in the machine 无足轻重者。 To furnish with gear teeth. 装轮齿。 To join, as timbers, by a cog. 接笋(如两木)。 cog railway 齿轨铁路(铁路中间或旁边装有一条齿轨的登山铁道)。(= cogged railway) cogged railway 齿轨铁路(铁路中间或旁边装有一条齿轨的登山铁道)。(= cog railway) |