demonstrator
短语词组
- Technology Demonstrator 技术验证机
- light demonstrator 灯光演示仪
- demonstrator aircraft 验证机
- electric demonstrator 电学演示仪
- sampling demonstrator 抽样示范教具
- screen demonstrator 屏幕演示
- projection demonstrator 投影演示器
- digital demonstrator 数字显示 返回 demonstrator