rail crane

基本解释

Guo-rail crane is a kind of bridge cranes.
過軌起重機是橋式起重機的一種。
Signal Rail Crane and Control Winch, Double Speed Column Winch;
單軌吊、調度絞車、雙速廻柱絞車；
The partially slewing crane is a kind of representative rotary rail crane, which is also the first developed type in our country.
門座起重機是我國研制最早、具有重要代表性的一種鏇轉式有軌起重機。

David Crane, Special Advisor to the Governor and Chair, High Speed Rail Commission, California.
WHITEHOUSE: Vice President Biden Transportation Secretary LaHood Hold High Speed Rail Roundtable on Wednesday June 3rd The White House
Beijing News on Monday quoted people from the China Railway No. 3 Engineering Group as saying that the pits were dug to make room for a giant crane to lift away the rest of the carriages that remain on the overhead rail tracks.
FORBES: In China Train Crash; Buried Evidence?