1) soft rock mining area
软岩矿区
1.
Analysis of ground subsidence due to underground mining in soft rock mining areas and its influence on industrial buildings;
软岩矿区地面下沉及其对工业建筑物影响分析
2) Soft and fractured rock
软破矿岩
3) soft rock mine
软岩矿井
1.
States the technique experience that the influnce of dynamical pressure on secondary supporting of gob entry is avoided in a haulage center gate when double unit faces are adopted in soft rock mines.
介绍了软岩矿井采用对拉工作面集中生产条件下，运输中巷采用“避开动压二次支护法”沿空护巷的技术经验。
4) soft rock area
软岩地区
1.
However, in soft rock area due to different stratum and lithotogic characters, there is something of variance between its practical working traits and specification of national regulation.
但在软岩地区由于地层岩性的不同，单桩承载力的实际工作性状与国家规范的规定之间不尽相同。
5) cold region soft rock
寒区软岩
1.
On the frost heave force of cold region soft rock tunnels and frost damage prevention and treatment;
寒区软岩隧道的冻胀力及冻害防治浅析
6) three soft coalfield
三软矿区
补充资料：金川有色金属公司二矿区双臂液压凿岩台车在作业
金川有色金属公司二矿区双臂液压凿岩台车在作业
金川有色金属公司二矿区双臂液压凿岩台车I ’潜在作业
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