| 摘要 |
A screening arrangement in a vibrating screen for screening of material, such as crushed stone, gravel or the like, the screening arrangement having directing means provided on top of the screening arrangement to direct the material to be screened, such that the directing means are arranged to direct or adjust the width of screening material in relation to the amount of material to be screened, and to achieve a continuous optimal layer of the material to be screened.
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