Often appear no buried scraper conveyor, disconnection of chain and chain, and the bucket elevator, off the bucket of a spin occur frequently.

没有埋刮板输送机经常出现的卡链、飘链、断链现象和斗式提升机经常发生的打滑、掉斗现象。

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Transportation equipment: series screw conveyor, the series bucket elevator, the series buried scraper conveyor, and so on.

输送设备：系列螺旋输送机，系列斗式提升机，系列埋刮板输送机等。

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