齿轮: gear [rack; toothed] wheel; (toothed) gear; wheel gear 短语和例子伞齿轮 bevel gear; 斜齿轮 helical gear; 正齿轮 spur gear; 搭上齿轮 get [put; throw] into gear; 齿轮脱开 out of gear; 这个大齿轮带动小齿轮使滚筒旋转。 this large
Example Sentences:
1.
A device for shifting gears on a bicycle by moving the chain between sprocket wheels of different sizes 脱轨器，转撤器通过在不同大小的扣链齿轮间移动链条而转换自行车齿轮（换档）的装置
2.
3 sash cables shall be constructed from sturdy material . a steel wire and sprocket system is preferred for its strength and durability 移门铰链由坚固的材料构成。一般为钢铰链和链齿轮。
