scraper trough conveyer

例句：

1. 1.The scraper conveyor is used to transport heavy materials efficiently.
   刮板输送机用于高效地运输重材料。
2. 2. The scraper conveyor is essential for the smooth operation of the factory.
   刮板输送机对于工厂的顺畅运作至关重要。
3. 3. The scraper conveyor is a popular choice for those who need to move large amounts of material quickly.
   刮板输送机是那些需要快速移动大量物料的人的热门选择。