单项选择题
A.XD-AVVR4*0.75,3黑1黄绿 B.XD-AVVR3*1,红+淡蓝+黄绿 C.VVR4*0.15mm2,棕白黑蓝 D.XD-RVVP4*0.3,全数字
A.热缩管IRS3.2,带胶 B.热缩管H-1 C.热缩管H-2 D.热缩管H-8
A.7510 B.0510 C.2510 D.0310