楼房有专用电梯井道，电梯可以直接安装在专用井道内

Building with special elevator hoistway

The elevator can be installed directly in the special well

环绕楼梯中间有合适空间，在中间加装井道安装电梯

There is a space around the stairs

Installation of hoistway elevator in the middle

有中空的大厅或房间，在大厅或房间加装井道安装电梯

A hollow hall or room,install elevator in the lobby or room

楼房内没有合适空间电梯只能安装在室内，在楼板开出合适的空加装井道安装电梯

There is no suitable space in the building elevator can only be installed indoors,install the appropriate hole in the floor and install the elevator

楼房内没有合适空间，在允许情况下，在室外加装井道安装电梯

There is no room in the building,Installation of elevators in the outdoor installation in the case of permission

②③④⑤场合需要加装电梯使用的井道，客户也可以自己采用金属框架或混凝土等材料预先建立井道。

②③④⑤ occasions need to install the shafts that lifes need.Customers can also use materials such as a metal framework or concrete to establish the shaft beforehand.