问题详情

铅垂面的H面投影为直线,有积聚性,且反映(   )夹角大小。


A、<img src="/upload/online.xartvu.sn.cn/sub_pic/7f/09/2e/585def5d027cd1a84e0181333ad407ad679f2317cef946cf.png" alt="">

B、<img src="/upload/online.xartvu.sn.cn/sub_pic/88/ed/46/585def5d027cd1a8bd9d3b6f4d795d349a63d12865ca809f.png" alt="">

C、<img src="/upload/online.xartvu.sn.cn/sub_pic/c1/66/fa/585def5d027cd1a8d5e7e2262c432ee0931be1e919c82b95.png" alt="">

D、<img src="/upload/online.xartvu.sn.cn/sub_pic/fd/ae/fb/585def5d027cd1a80a9d258204a4c9d787dcc4fa65be2bbd.png" alt="">

时间:2022-01-03 13:17 关键词:

答案解析

<img src="/upload/online.xartvu.sn.cn/sub_pic/88/ed/46/585def5d027cd1a8bd9d3b6f4d795d349a63d12865ca809f.png" alt="">###<img src="/upload/online.xartvu.sn.cn/sub_pic/fd/ae/fb/585def5d027cd1a80a9d258204a4c9d787dcc4fa65be2bbd.png" alt="">