146.6502电气集中,()是用来区分黄与双黄显示的。[321020201]

146.6502电气集中,()是用来区分黄与双黄显示的。[321020201]

A.(A)ZXJ

B.(B)TXJ

C.(C)DXJ

D.(D)LXJ

正确答案是A