在试验室中应用液压动筛跳汰机洗选无烟煤，通过调整参数试验，洗选精煤降灰效果明显，工艺简单。

By modulating parameters in experiments and using hydraulically vibro-assisted jigs to wash anthracite in laboratory, the effect of declining ash is obvious and the arts and crafts is also simple.

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振动筛是洗选加工行业的关键设备之一，一旦出现故障将导致整个生产线停工停产，经济损失巨大。

Vibrating screen is one of the key equipment in washing industry. Once crack fault occurrence of its girder will make the whole production line to shut down, and result in great economic loss.

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