根据《长途光缆波分复用(WDM)传输系统工程验收规范》,设备()电源盘之间的倒换应满 发布时间:2017-11-22 01:20 │ 来源:www.tikuol.com 题型:单项选择题 问题: 根据《长途光缆波分复用(WDM)传输系统工程验收规范》,设备()电源盘之间的倒换应满足设备技术规定.A.两个子筐B.主用和备用C.主要和次要D.主架和从架
题型:单项选择题 Everything________life in the spring with the warm weather and long days. [ ]A. comes back B. comes downC. comes to D. comes along 查看答案