1) a safety pillar
保安煤矿柱
2) security coal pillar
保安煤柱
1.
The cause of house crack determined by security coal pillar of village.
房屋裂缝是否由煤矿采煤引起,主要是看采空区是否进入村庄保安煤柱。
4) Safe post
保安矿柱
1.
By analysing geological environment of Zhang Cun Ping Phosphorus Mine,the possibility and feasibility of mining under buildings in certain conditions without retain safe posts have been studied.
通过对樟村坪磷矿地质环境的分析 ,研究了在一定条件下 ,开采建筑物下矿体时不留保安矿柱的可能性和可行性 ,探讨了按松散系数计算安全深度的原理和方
5) safety pillar
保安矿柱
1.
Feasibility study on recovery of safety pillar in process of mining flat-grade thin orebody;
缓倾斜薄矿体保安矿柱回收的可行性研究
6) protecting pillar
保安矿柱
1.
The monitoring data analysis of geopressure during stoping of protecting pillar;
保安矿柱回采地压监测数据分析
补充资料：保安
①保卫治安：加强～工作。②保护工人安全，防止在生产过程中发生人身事故：～规程ㄧ～制度。
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