non developable ruled surface non-developable ruled surface
Related Translations:
展: Ⅰ动词1.(张开; 放开) open up; spread out; expand; unfold; unfurl 短语和例子开展群众运动 unfold a mass movement; 使旗招展 unfurl a flag; 舒展眉头 smooth one's knitted brows; 展卷 open a book2.(施展) put to good use; giv
