gravity roller bed 无动力辊道
gravity roller conveyor 重力滚子输送机
high roller compacted gravity dam 高碾压混凝土坝
roller-compacted concrete gravity dam 碾压混凝土重力坝
roller compacted concrete gravity dam 碾压混凝土重力坝
roller compacted concrete gravity dams 碾压砼重力坝
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This article introduces the characteristics of gravity roller conveyor, power roller conveyor and other types of conveyors and points out problems that need our attention in selecting a conveyor.
本文介绍了重力辊子输送机、动力辊子输送机和其它辊道输送机的特点及选型时应注意的问题。
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