— _____________ she going to draw some pictures?
— Yes, she is. [ ]
A. Do
B. Is
C. Does
答案:B
35kV及以上高压电缆垂直敷设各支持点的距离()
A.400mm
B.2000mm
C.1500mm
D.1000mm
光缆工程竣工测试中光纤特性测量包括哪些内容?