Airconditioninginstallation, maintenance personnel will be is to do each.
空调安装，这是每个维修人员都会做的。
2
In addition, repair tools, screws, etc. to prevent falling, for the street, the road over the airconditioninginstallation, special attention should be their safety.
此外维修工具、螺丝等以防掉落，对于沿街、道路上空的空调安装，应特别注意其安全性。
3
In the building of 100 square meters of housing, cost the same as the airconditioninginstallation fees, 30% cheaper compared with water floor heating, electric heating floor.