【简答题】Read and write. (看图,写单词) 1.________ 2.________ 3. ________ 4.________ 5. ________
【简答题】数控机床坐标系中Z轴的方向指的是与主轴___的方向,其正方向是刀具___工件的方向。
【判断题】数控机床坐标系中 Z 轴的方向指的是与主轴轴线垂直的方向,其正方向是刀具远离工件的。
【单选题】6 29. The company _____ its sales by an average of 10% per year since its establishment in 1993.
【单选题】The pag number is shown_____the foot of the page.
【单选题】The company its sales by an average of 10% per year since its establishment in 1993.