选项
A.
A. Presents all processes and their internal connections 呈现所有工序及其内在联系
B.
B.Presents all processes呈现所有工序组成
C.
C.Presents material relations between main processes 呈现主要工序间物质联系
D.
D. Presents energy relationships between major processes 呈现主要工序间能量联系
正确答案：