1) ratio of extraction to reservation
采留比
1.
This method with a simple production system,is of lower cost But problems such as methods of tunnel support and feedback and expanding roadway,and designs of ratio of extraction to reservation,should be still studied in the extraction through tunnel.
但其巷道支护方法、回撤扩帮方法和采留比设计等,仍是巷道穿采中值得深入研究的问题。
2) mining and remaining width
采留宽度
3) mining and reservation width
采留尺度
1.
On the basis of the observation data of strip mining under structure and combining with numerical simulation,the surface subsidence rule of different mining and reservation width in strip mining under thick alluvium and thin bedrock were analyzed.
基于建筑物下条带法开采的地表变形观测,结合数值模拟方法,研究了厚松散层薄基岩条件下,条带法开采不同采留尺度的地表沉陷规律。
4) remained-slope mining
留帮开采
5) mining and pillar width
采留宽
1.
Thus, rational mining and pillar width were confirmed to ensure that surface di.
从而确定了地表变形在Ⅰ级破坏范围内的合理采留宽度,为研究条带开采地表移动规律和“三下”压煤条带开采设计提供了依据。
6) shrinkage stoping
留矿回采
补充资料：六峰项里看采杨梅连日留山中
【诗文】：
绿阴翳翳连山市，丹实累累照路隅。
未爱满盘堆火齐，先惊探颔得骊珠。
斜簪宝髻看游舫，细织筠笼入上都。
醉里自矜豪气在，欲乘风露摘千株。
【注释】：
【出处】：
绿阴翳翳连山市，丹实累累照路隅。
未爱满盘堆火齐，先惊探颔得骊珠。
斜簪宝髻看游舫，细织筠笼入上都。
醉里自矜豪气在，欲乘风露摘千株。
【注释】：
【出处】：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条