flat-belt conveyor

例句：

1. 1.This flat-belt conveyor is very efficient in handling large quantities of goods.
   这种平带式输送带在处理大量货物时非常高效。
2. 2. The flat-belt conveyor is used to transport materials from one location to another.
   平带式输送带用于将材料从一个地点运输到另一个地点。
3. 3.The flat-belt conveyor has proven to be a cost-effective solution for many industries.
   平带式输送带已被证明是许多行业成本效益的解决方案。