gravity roller bed 无动力辊道
gravity roller conveyer 滚轴输送机
gravity roller conveyor 重力滚子输送机
gravity heating roller conveyer 滚柱重力输送机
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
Available in a variety of sizes. Units can be equipped with gravity roller conveyor or powered conveyor. Design provides convenient FIFO or LIFO heated storage.
可使用各种规格。该设备装有滚动传送机或动力传送机。提供便利的FIFO或LIFO加热罐。
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。
At its most basic level, a roller coaster is a machine that USES gravity to send a train along a winding track.
从最基本的层面来说，过山车是一种利用重力让车体沿着弯曲轨道运行的机器。
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