In the STM-1 frame structure, the net load area is located in
选项:
A:10~270 column, 1~ 9 row
B:10 ~270 column, 1~3 row.
C: 1 ~ 3 column, row 4
D:1 ~ 9 column, row 4
E: 1 ~ 9 column, 5 ~ 9 row
发布时间:2024-05-11 22:19:53