【简答题】Can I suggest a
short break?
【简答题】When the US President Donald Trump showed the video of his granddaughter Arabella singing and reciting poems in Mandarin to President Xi during Trump ’ s visit to China on November 8 th , 2017, it mak...
【简答题】Which of the following are included in the inside address?( )
【判断题】The inside address is the address of the writer.
【判断题】一个完整的尺寸由尺寸界线、尺寸线、尺寸箭头、尺寸数字组成,均由细实线画出。尺寸界线由轮廓线、轴线或中心线引出,也可能由其它图线代替。尺寸线不能由其它线代替,也不得与其它图线重合。线性尺寸数字方向一般应与尺寸线方向一致,而角度数字的方向应水平书写。
【简答题】标注角度时,角度的数字一律写成 方向,一般注写在尺寸线的 处;尺寸界线应沿 引出,尺寸线应画成 ,其圆心是该角的顶点。