起重机上升或移动重物的机器 A machine for hoisting or moving heavy objects.
我们需要一台起重机来吊起混凝土块。 We need a hoist to lift the concrete blocks.
悬臂起重机提升和移动重物的机器,它由一个带有缆绳和滑轮的可移动的、并与一根由向上静止横梁的底座连接的起重杆组成 A machine for hoisting and moving heavy objects, consisting of a movable boom equipped with cables and pulleys and connected to the base of an upright stationary beam.
我们使用起重机将这个大箱子搬进了后院。 We used a crane to lift the huge box into the backyard.