Jib crane
01
悬臂起重机, 旋臂吊
a horizontal arm mounted on a vertical support structure that rotates and lifts loads within a specific radius, commonly used in industrial and construction settings
例子
The workers used the jib crane to lift the heavy steel beams into place.
工人们使用悬臂起重机将沉重的钢梁吊装到位。



























