working minor cutting edge angle

例句：

1. 1.The machine is working perfectly.
   这台机器运转得非常完美。
2. 2. The team is working hard to meet the deadline.
   团队正努力工作以完成截止日期。
3. 3. The project is still in the working stage.
   这个项目仍处于工作阶段。