backfill equipment是什么意思

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用法例句

The paper stated the mechanization process of the backfill technique,backfill equipment facilities,backfill technique and backfill results.

介绍了新汶矿区翟镇煤矿综采工作面充填开采方法,论述了其充填工艺机理流程、充填设备设施、充填工艺及充填效果,充填开采可以提高资源采出率、延长该矿井服务年限。

The newly testing and the applications of backfill materials, backfill geomechanics, paste backfill and backfill equipment are mainly introduce

综述了第七届国际充填采矿大会论文集的主要内容,着重介绍充填材料、充填体力学、膏体充填、充填设备与系统的应用现状与最新进展。

The paper introduces the overall structure of underground roadway waste packing unit,puts forward the design scheme of several key components and equipment matching.

本文介绍井下巷道矸石充填设备的总体结构,提出几个关键部件的设计方案及设备配套情况,并介绍了在河北金牛能源股份公司邢东矿井下的应用情况。