vertical plotting board是什么意思 vertical plotting board怎么读
vertical plotting board的相关资料
vertical plotting board的用法和样例
- The distinct types are on the drawing board.
制图板上有醒目的类型。 - 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。
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