The reformed scraper conveyor can replace the stage loaderconveyor to used for the tunnel conveyance, save the cost.
经过改造的刮板输送机可以代替转载机用于巷道运输，节省成本。
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A loader is a type of construction equipment (engineering vehicle) machinery that is primarily used to "load" material into another type of machinery (dump truck, conveyor belt, rail-car, etc.).