head face meaning in English
端面
Examples
- The development of local fan integrated control system in heading face
掘进工作面局扇集成控制系统的开发 - Brief description of preparation of operation enstruction for heading face
浅述掘进工作面作业规程的编制内容 - 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 - Head face roof control technology in very complex structure seam working face
极复杂构造煤层工作面端面顶板控制技术