留矿法 meaning in English

shrinkage method

Study on high sublevel stoping of shallow - hole shrinkage system with sill pillar in thin - small ore body
薄小矿体有底柱浅孔留矿法高分段回采的研究
The application of shallow - hole shrinkage mining with flat - bottom structure for separate handling of ore and waste rock in irregular and massive orebody
平底结构矿岩分运浅孔留矿法在不规则厚大矿体中的应用
This paper summarizes the application of these two mining methods , presents the problems and the improvement of shorthole shrinkage method and resuming - fill method , and discusses the applied conditions for these two methods by means of assessment , favorable for operation in mines
提出盈亏评审方法确定浅孔留矿法与削壁充填法的适用条件，使矿山较准确地采用合适的采矿方法，有利于矿山的设计与生产。