有1個人 wrote:我也覺得只有把三角形...(恕刪)
kanzie wrote:一般沒有特別註明的話...(恕刪)
kanzie wrote:4/1已經過了......(恕刪)
mark1215 wrote:正三角體...(恕刪)
sheauyih wrote:純曲面的話是比較簡單...(恕刪)