aInventor (A) Elisa Graves Otis designed the first elevator (电梯) that it incorporated (B) (包含) an automatic brake (制动器), which in turn led to (C) the development (D) of the skyscraper. 发明者(A)奥蒂斯设计第一个电梯的Elisa坟墓(电梯)那它合并了(B) (包含)一个自动闸(制动器),...
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