您要查找的是不是：
- 主轴principal axis
- 链轮sprocket wheel
- 主轴转速speed of mainshaft
- 主轴箱headstock
- 扣链齿链轮上的一个扣链齿A tooth of a sprocket wheel.
- 杯形链轮bell shaped sprocket wheel
- 歧散枝条向四周散开成很多分支，没有主轴，如榆树的树干To branch out into numerous subdivisions that lack a main axis, as the stem of an elm.
- 主动链轮drive sprocket
- 惯量主轴principal axis of inertia
- 过桥链轮jockey sprocket wheel
- （茎）贯顶的，（树性）塔状的主轴延伸成不分枝的茎或杆的，如云杉Having a single, undivided trunk with lateral branches, as in spruce trees.
- 绞盘链轮wildcat sprocket
- 变速主轴main shaft
- 链轮齿sprocket
- 变形主轴principal axes of strain
- 链轮滚刀sprocket hob
- 变速器主轴transmission main shaft
- 锚链轮gypsy wheel
- 主轴吊架line shaft hanger
- 织链轮drive sprocket
