您要查找的是不是：
- 直行rectigrade
- 机床直行部件运动误差测量的精度分析与对策The Precision Analysis and Countermeasure of Machine Tools Linear Slide Motion Error on Line Measurement
- 正道correct path
- 直行的文字characters written from top to bottom
- 直销direct marketing; door-to-door sale
- 在行be expert at
- 直发straight hair
- 首行first line
- 直的straight
- 行数linage
- 直飞non-stop flight to
- 五行the five elements
- 招行China Merchants Bank
- 竖直upend
- 之行trip
- 直击uppercut
- 行将be about to (do something)
- 直前right ahead
- 不可行infeasible
- 拉直flare-out
