kangaroo crane造句
例句与造句
- Another innovation was the kangaroo crane.
- Rather than slewing ( rotating ) the crane to reach the delivery hopper on-shore, a kangaroo crane has its own in-built hopper beneath the jib, that slews with it.
- To build the towers, cranes were imported from Australia ( and therefore called kangaroo cranes ) equipped with hydraulic systems that enabled them to hoist themselves up the towers as they rose.
- The term " kangaroo crane " has also been applied more recently to jumping cranes, tower cranes used in the construction of skyscrapers that are capable of raising their towers as construction grows upwards.
- On the Australian-built cranes designed specially for the job _ called kangaroo cranes in part because they jacked themselves up as the towers rose _ booms crumpled, bolts anchoring the cranes to their supports blew out like musket shots and once, a 25-ton piece of steel plummeted 800 feet and tore through the basement like a meteor.
- It's difficult to find kangaroo crane in a sentence. 用kangaroo crane造句挺难的