trough belt造句

例句与造句

1. These deposit the coal on two twin deep-trough belt conveyors 1371.6 mm ( 54 in ) wide, each with a capacity of 1, 361 t / h ( 1, 500 tons per hour ) at 137.16 m / min ( 450 ft / min ).
2. It's difficult to find trough belt in a sentence. 用trough belt造句挺难的