Meanwhile, the building is provided with assembly type stairs which can be moved at will according to the requirements for the change of a unitroom.
同时设有组装式楼梯，组装式楼梯可以根据单元房变化需的要任意移动位置。
2
As it flits from room to room its video-camera "eye" transmits pictures to a screen on a remote-control unit strapped to the wrist of its clandestine operator.
It's tough to find a window unit that's lighter than 46 pounds-and a machine like that would be able to cool only a fairly small room (150 square feet or less).