排水砂层 drainage blanket
软水砂 [化学] Permutit
防水砂浆 water-proof mortar ; waterproofing mortar ; JS-I ; Waterproof mortar
水砂纸 waterproof abrasive paper ; water proof sand paper
排水砂桩 [建] Sand drain
排水砂垫层 sand mat of subgrade ; drainage sand mat ; drainage sand blanker ; sand filled drainage layer
水砂充填法 Flushing System ; hydraulic filling method ; [矿业] hydraulic flushing method
清水砂 free sand
耐水砂纸 water-resistant abrasive paper ; waterproof abrasive paper ; Silicon paper abrasive waterproof
耐水砂布 waterproof abrasive cloth
砂浆制备与管道输送是水砂充填的重要工艺环节。
Mortar preparation and pipeline transport are important technological link of hydraulic filling.
上向进路水砂充填采矿法是武山铜矿主要的采矿方法之一。
Upwards drift hydraulic fill mining is one of the main mining methods used in Wushan Copper Mine.
武山铜矿南矿带采用上向水平分层进路水砂充填法回采，采场多次发生冒顶、片帮。
The South ore-bearing zone of Wushan copper mine is mined with ascending horizontal slicing hydraulic fill crosscut mining system. Roof falling and rib spalling occurred in any times.
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