vertical plotting board

• 垂直标图板

vertical plotting board的用法和样例：

例句

1. The distinct types are on the drawing board.
   制图板上有醒目的类型。
2. It takes years for a new plane to move from drawing board to mass production.
   一种新型飞机从图板设计阶段转入大批量生产要经历数年时间。