scraper chain conveyor造句

例句与造句

1. The AFC is placed in front of the powered roof supports, and the shearing action of the rotating drums cutting into the coal seam disintegrates the coal, this being loaded onto the AFC . The coal is removed from the coal face by a scraper chain conveyor to the main gate.
2. It's difficult to find scraper chain conveyor in a sentence. 用scraper chain conveyor造句挺难的