英文字典,中文字典,查询,解释,review.php


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       


安装中文字典英文字典辞典工具!

安装中文字典英文字典辞典工具!










  • Escalator - Wikipedia
    An escalator is a moving staircase which carries people between floors of a building or structure It consists of a motor -driven chain of individually linked steps on a track which cycle on a pair of tracks which keep the step tread horizontal
  • Escalator | Safety, Maintenance Design | Britannica
    escalator, moving staircase used as transportation between floors or levels in subways, buildings, and other mass pedestrian areas
  • How Escalators Work - HowStuffWorks
    At its most basic level, an escalator is just a simple variation on the conveyer belt A pair of rotating chain loops pull a series of stairs in a cons­tant cycle, moving a lot of people a short distance at a good speed
  • ESCALATOR Definition Meaning - Merriam-Webster
    The meaning of ESCALATOR is a power-driven set of stairs arranged like an endless belt that ascend or descend continuously How to use escalator in a sentence
  • Escalator - New World Encyclopedia
    An escalator is a conveyor transport device for transporting people, consisting of a staircase whose steps move up or down on tracks that keep the surfaces of the individual steps horizontal
  • Types of Escalators: What You Need to Know - Dazen Elevator
    A typical belt-type escalator has two sets of parallel tracks that run along its length, with a pair of wheels on each track moving up and down as it travels along them
  • Types of Escalator: Everything You Need to Know - Hosting Elevator
    As a leading escalator manufacturer, Hosting Elevator invites you to delve into the fascinating history, mechanisms, and types of escalators that have made vertical transportation efficient and convenient
  • Escalators: Guide to types, working, speed, layout, brands more
    Escalators and elevators are mechanical devices that allow vertical transportation of people between different levels of a building In other words, the meaning of an escalator is a moving staircase


















中文字典-英文字典  2005-2009