轴套管 meaning in Chinese

stern box

Mechanical tube , automobile semi - axle sleeve tube
结构用管汽车半轴套管
Flexible shaft sleeve of electric tools
电动工具用软轴套管
Parameter determination of three - roller cross - rolling half - shaft casing
半轴套管三辊滚缩成形工艺参数的确定
Hot - extrusion technology of the axle housing of the heavy truck and die design
重型车半轴套管热挤压工艺及模具