The elevator USES is the rectangular section rail, can make the engineering staff directly to the working layer, simplifies the project additional complex system and mechanical system.
此种升降机采用的是矩形截面导轨，能够把工程人员直接送到工作层，简化了工程额外的复杂系和机械统。
2
A traditional cable driven elevator has mechanical components that can hold the car in place in the event of a power outage.
传统缆绳牵引的电梯带有一些机械零件，在断电时可使电梯停在原地。
3
By use of VVVF technology to directly control elevator door operation simplified the mechanical structure of elevator door device with low noise in door closing and leveling in exact position.