运行区域运输作业安全距离,进入改、扩建工程运行区域的交通通道应设置安全标志,站内运输其安全距离330kV应满足()米。
A.3
B.3.15
C.3.2
D.3.25
参考答案:D
选择填空。
Mother usually home at seven in the morning. [ ]
A. leave
B. leaves
C. to leaves
D. leaving
什么是限制视角?