I have pleasure in informing you that all safety equipment is in()working order.
A. full
B. care
C. intentional
D. reasonable
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It is no () arguing about this problem, because our agent will never change his mind.
A. help
B. good
C. use
D. worth
以下哪一项不是直放站的用途:()
A. 安装简单,能快速扩大网络覆盖
B. 增加载频资源
C. 盲区覆盖,改善现有网络的覆盖质量
D. 以较低成本扩大覆盖范围
进站点灯电路中LXZ组合侧面XJF220的熔丝熔量为()。