咩係交線牙?!~
唔識牙!
http://hk.myblog.yahoo.com/kitlkw92/article?mid=19&new=1
咩係交線牙?!~ 急'''''
2007-04-19 4:16 am
回答 (1)
2007-04-19 6:32 am
✔ 最佳答案
The line of intersection between two planes.http://www.puishing.edu.hk/subject/Maths/download/Trigo_3D_2.pps#4
收錄日期: 2021-04-12 23:53:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070418000051KK03849