Elevators

例句:

• Mention has already been made of office and other elevators, in which compressed air is an important factor in operating the same and for preventing accidents. 威廉·亨利·杜利特. 世纪发明.
• The century was half through with before it was proposed to use water and steam for passenger elevators. 威廉·亨利·杜利特. 世纪发明.
• Not only are passengers conveyed up and down by electric elevators in skyscrapers, but the buildings themselves are erected by means of electricity. 佚名. 神奇的知识之书.
• The Story in Elevators and Escalators[15] 佚名. 神奇的知识之书.
• The operating-room referred to was on the fifth floor of the building with no elevators. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The supplies for cities and for families are estimated, measured and recorded as easily as are the supplies of illuminating gas, or the flow of food from elevators. 威廉·亨利·杜利特. 世纪发明.
• The summit of the tower was reached by staircases containing 1,793 steps, and by hydraulic elevators running in four stages. Edward W. Byrn. 十九世纪发明进展.
• Then came the overhead circuits for distributing electrical energy to motors for operating elevators, driving machinery, etc. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

录入:内德