平硐 meaning in Chinese
adit entry
day drift
day level
drift mine
gallery
Examples
- Study on the adit stability under dynamic blasting load
爆破动载荷下平硐稳定性的研究 - Design of power supply of conveyance system of main drift in tucheng mine
土城煤矿主平硐运输系统供电设计 - Measures to improve cut - through survey accuracy of long - distance tunnel
提高矿井长距离平硐贯通测量精度的措施 - Effect and gme of lenshan mine stope key out blasting on waste drift repass
采场开沟爆破对废石平硐溜井的影响及对策 - Technique of blasting vibration reduction for drift - repass in lanjian iron ore
兰尖铁矿保护平硐溜井的爆破减震技术措施