working efficiency的用法和样例：
例句
- Whether the tool radius can be reasonably compensated is the key to improve machining quality and efficiency.
数控车床加工中能否对刀具半径进行合理补偿是提高零件加工质量和加工效率的关键。 - They are hardly to be maintained, and are inferior in automaticity and productive efficiency.
其功能是确定的和简单的，很难扩充，而且维护困难，自动化程度较低，加工效率低下。
