1. The rollway helps to guide the movement of the wheels and keeps them on track.
离岸滚道有助于引导车轮的滑动，并使其保持在轨道上。

2. Make sure the rollway is clear of any obstructions before allowing the train to pass.
在允许火车通过之前，请确保离岸滚道上没有任何障碍物。

3. The rollway rollers are designed to reduce friction and ensure smooth rolling of heavy loads.
滚道托辊的设计旨在减少摩擦，确保重物的平稳滚动。