采掘

例句与用法

Study on gas emission law in winning and heading faces in luling coal mine
芦岭煤矿采掘工作面瓦斯涌出规律探索
Economic compartison of series and parallel ventilation in mine heading face
矿井采掘工作面串并联通风的经济比较
Conservationist tenant preferred , but extractive forestry also considered
保育人士优先考虑，但采掘业也会考虑。
Technical conditions of hydraulic cylinder for coal mining and tunneling machinery
采掘机械用液压缸技术条件条件
On repair of damaged thread hole for mining and developing equipment in coalmines
煤矿采掘机械破损螺纹孔修复方法
Basic methods for strengthening safe ventilation management in a high gassy coal face
加强高瓦斯采掘面安全管理的基本做法
It has about 150 known deposits , though not all of these are currently being exploited
个矿床，但不是所有矿床都正被采掘
Standard test method for acoustic emission testing of insulated digger derricks
绝缘采掘式起重机声音发射试验的标准试验方法
Hygienic standard for environmental meteorology in underground workplace of coal mine
煤矿井下采掘作业地点气象条件卫生标准
Hygienic standard for environmental meteorology in underground workplace of coal mine
煤矿井下采掘作业地点气象条件卫生标准