軸的尺寸要求如圖所示,則該軸的尺寸公差,上偏差,下偏差分別為()。
A、0.025,-0.010,0.015 B、0.025,0.010,0.015 C、0.025,0.015,-0.010 D、0.025,0.015,0.010
A、都是橢圓 B、都是圓 C、當(dāng)截平面平行于投影面時(shí)是圓,當(dāng)截平面不平行于投影面時(shí)是橢圓 D、不確定
A、媒體播放器 B、WINDOWS2000 C、WPS文字處理軟件 D、VC++6.0