If a line at right angles to the axis rotates about that axis and, at the same time, moves parallel to the axis, it will generate （）.<br>A:a helix<br>B:a helicoidal<br>C:a curve<br>D:a cone

If a line at right angles to the axis rotates about that axis and, at the same time, moves parallel to the axis, it will generate （）.
A:a helix
B:a helicoidal
C:a curve
D:a cone

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252701】个 (题库试题定时更新)