ring chain bucket elevator

例句：

1. 1. This elevator isdesigned for high-rise buildings to provideconvenient access to the upper floors.
   这台电梯是为高层建筑设计的，以方便上层楼的通行。
2. 2.The ring chain bucket elevator isa common type of elevator used inmany factories and warehouses.
   环形链条式升降机是许多工厂和仓库中常见的一种电梯类型。
3. 3. During construction, the workers used thering chain bucket elevator to transportmaterials from one floor to another.
   在施工期间，工人们使用环形链条式升降机将材料从一个楼层运送到另一个楼层。