movable assembly on production line

例句：

1. 1. Thecar has a movable roof foreasy access to the cargo area.
   这辆车有一个可移动的顶篷，便于货物区域的访问。
2. 2. The furniture is made ofmovable parts that can be easilyreplaced.
   家具由可移动部件制成，可以轻易更换。
3. 3. The movable shelvesare perfect for storing seasonal items.
   可移动的架子非常适合存放季节性物品。