A.vpi 1 vci 200, vpi 3 vci 400
B.vpi 1 through 3, vci 200 through 400
C.vpi 1 vci 200 through 400, vpi 3 vci 200 through 400
D.vci 1 through 3, vpi 200 through 400
参考答案:B
A.vpi 1 vci 200, vpi 3 vci 400
B.vpi 1 through 3, vci 200 through 400
C.vpi 1 vci 200 through 400, vpi 3 vci 200 through 400
D.vci 1 through 3, vpi 200 through 400
参考答案:B