Terms for subject Engineering geology containing firm

English	Chinese
consulting engineering firm	顾问工程事务所
consulting engineering firm	工程咨询公司
firm bottom	稳固底板
firm bottom	硬土
firm bottom	坚固地基
firm fill	结实填土
firm ground	坚固地层
firm ground	坚硬基岩
firm ground	稳定地基
firm stratum	稳定地层
firm stratum	硬层
firm top	稳定顶板
firm wall	稳定围岩