从字面意思上,确实是指“三边形的C字形”.
可能是制钢铁中的特殊形状要求.
猜你喜欢
- 1孩子有什么可以教给父母 There is nothing the children can teach their parents?
- 2给一下句子改错 Is it a book yes,it's.Is this yuor an eraser what her famliy name?
- 3在三角形ABC内找一点O,使点O到三角形ABC三边的距离相等
- 4an unusual thing happened to him last week.but a ___,he was very happy to face it
- 5解方程：2X +2.5 = 17.5 3X-2 = 48 6X-1.5X = 45 12X-3?还采用5 = 1.5注：写作过程中,一好百点
- 6The world has e___ great changes in the last two decades.
- 7This is my timetable__Sunday__Saturday
- 8at no charge=with little money吗?
- 9下列语句中,正确的语句共有2个,是哪两个?1、延长线段AB就是反向延长线段BA.
- 10一个石一个猴子一个天什么成语