按照圖畫出所示圖形,求剖面線區(qū)域的面積()
A.11685.0481 B.11685.0841 C.11685.0814 D.11685.0418
按照圖畫出所示圖形,求尺寸A的數(shù)值。()
A.43.4563 B.43.4635 C.43.4653 D.43.4536
按照圖畫出所示圖形,求剖面線區(qū)域的面積。()
A.3978.7538 B.3978.7583 C.3978.7358 D.3978.7385