cage是什么意思

用法例句

The forming process by cold extrusion for the hood pedestal of the auto air_conditioner compressor and the design of the cold extruding die were introduced.

介绍了车用空调压缩机罩体支架的冷挤压成形工艺及冷挤压模具设计 ,采用工艺试验的方法确定挤压坯料尺寸。