【判断题】单轴重复定位精度精密级为<0.003mm。< /div>
【单选题】—What is the matter with Mary? —______. [ ]
【判断题】单轴重复定位精度精密级为<0.003mm。A. 对 B. 错
【单选题】—What does she look like? —_____ [ ]
【单选题】She is a very ______ student. She's always talking about traveling to outer space.
【单选题】在结构施工图中看,“GL”表示为( )。