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。

youdao

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。

youdao

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.

采用VVVF技术对电梯开门机直接拖动，使电梯门机装置机械结构简化，关闭时噪声低，且可靠到位。

youdao

The South Street Seaport Museum's tall ships weathered the storm, but its mechanical systems escalator, elevator, heating and air conditioning were all knocked out.

WSJ: Protecting 9/11 Artifacts From Floods

They rise in mechanical wonder and then stop, abruptly, on eleven, where the elevator doors slide open to no one.

NEWYORKER: Playdate