folding ramp

例句：

1. 1.The folding ramp is used to transport heavy objects easily.
   折叠斜坡用于轻松运输重物。
2. 2. The construction workers used the folding ramp to move the heavy equipment.
   建筑工人使用折叠斜坡来移动重型设备。
3. 3. The folding ramp was designed to be easy to use and maneuver around obstacles.
   折叠斜坡设计为易于使用且能在障碍物周围灵活操作。