Can you help me to translate some Chinese phrases into English

问题描述:

Can you help me to translate some Chinese phrases into English
a.安装电视机
b.安装空调
c.安装报警系统
Then how to tell any difference between '安装' and '维修' in its meanings .
And is there any more proper word to describe only for '安装'?

a.安装电视机 install TV sets
b.安装空调 installair conditioners
c.安装报警系统installalarm systems
'维修' maintain
difference between '安装' and '维修'?
你真不懂?...不会吧!都是中国人,