题目内容

决定电杆长度的主要因素是()。

A. 弧垂
B. 导线对地的安全距离
C. 电杆的埋深
D. 线路档距的大小

查看答案
更多问题

Hacks and intrusions affect the economic performance of business immediately, in the short-term, and in the long-term. Which two of these are short-term economic impacts of a security branch? ()

A. loss of retail sales
B. erosion of investor confidence
C. disruption of business operation
D. loss of suppliers or customer

什么是低压钠灯?

S活动的目的是什么?

球童的业务素质和技能

答案查题题库