setback ball
英
美
- 惯性钢珠
setback ball的用法和样例：
例句
- Mechanical Power vises are designed with an unique Ball design structure to furnish superior holding strength with powerful clamping forces to maximize processing accuracy.
采用特殊钢珠设计结构，提供强有力的夹持力，进而提高精度。
词汇搭配
- set back 推迟
