bottom-loading conveyer

例句：

1. 1. The bottom-loading conveyor is designed to transport heavy materials efficiently.
   底载式输送机设计用来高效地运输重材料。
2. 2. The company uses a bottom-loading conveyor to improve its production efficiency.
   该公司使用底载式输送机来提高其生产效率。
3. 3. The bottom-loading conveyor was installed in the factory to reduce labor costs.
   底载式输送机被安装在工厂中，以减少劳动力成本。