以原煤为实验对象，对双向运输筛分机的性能进行了实验研究。
This article carries out an experimental study on the screening performance of dual-directional transport screens on the basis of raw coal as the targeted screening materials.
所有的运输系统会被完全地双向利用。
All transportation systems are fully utilized in both directions.
所有的运输系统会被完全地双向利用。
All transportation systems are fully utilized in both directions.
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