英语语法分析

Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.

只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。

You have maids to keep the house and repairmen to fix your broken furnishings.

你有服务人员来清理房间，有维修工人来为你修理坏家具。

Install, Maintain and repair - auto mechanics, home Appliance repairmen, locksmiths.

安装、保养和维护——汽车修理工、家电维修人员、开锁匠。