1. 齿轮：在固定齿轮车上来说,动力组包含了曲柄(Crankset)、齿盘(Chainring)链条(Chain)、钳齿轮(Cog)、天心碗(BB,Bottom Bracket),踏板也属於动力组,但这边暂时不做介绍.

2. 鉗齒輪：阿财写:动力组基本上包含区柄(crankset)、大盘(chain ring)、钳齿轮(cog)、鍊条(chain)与踏板(pedal),每个零件受力都很大,不过如果安装正确,其实都很难烂掉.

3. [机]嵌齿, 小船 <单词词性>上齿轮, 欺骗：assignment statement 指定陈述 | cog [机]嵌齿, 小船 单词词性>上齿轮, 欺骗 | Echinacea [动]海胆亚目

4. cog

4. cog：coking tail gas; 焦炉煤气

5. cog

5. cog：the centre of gravity; 重心

6. 公共查询·英语单词

6. cog：coke oven gas; 煤气

7. 公共查询·英语单词

7. cog：coke-oven gas; 焦炉气

1. （嵌）齿轮
    A cog is a wheel with square or triangular teeth around the edge, which is used in a machine to turn another wheel or part.

cog的翻译

2. (大型机构或团体中的)一小分子
    If you describe someone as a cog in a machine or wheel, you mean that they are a small part of a large organization or group.

cog的解释

    e.g. Mr Lake was an important cog in the Republican campaign machine.
           莱克先生是共和党竞选机器中一枚重要的螺丝钉。

1. tooth on the rim of gear wheel

    Synonym: sprocket

2. a subordinate who performs an important but routine function

    e.g. he was a small cog in a large machine

1. join pieces of wood with cogs

2. roll steel ingots