ex mine

英 [eks maɪn]

美 [eks maɪn]

矿山交货价格

I ran into an ex of mine.
我碰上我以前一位女朋友。
The paper ex-pounds the concept and phenomena of the mine earthquake, describes the current situation of research, discusses the significance of the research on mine disasters and seismology. This will have certain reference value for widening the research fields of seismology.
本文阐述了矿震的概念及现象，介绍了目前矿震研究的现状，论述了矿震研究在矿山灾害研究及地震学研究方面的意义，对开阔地震研究领域具有一定的参考价值。
On Ex Braking Device for Ex Disrotatory Axial-flow Fan used in Coal Mine
浅谈矿用防爆对旋式轴流通风机的防爆制动装置
According to the EX I explosion-proof request on field bus used in coal mine, improved uni-form power supply is adopted. Power supply adapter and communication adapter is designed also.
针对煤矿对现场总线本质安全防爆的要求，采用了改进的统一供电法，设计了电源适配器和通讯适配器。
Key Points of Welding Technology and Frame Structure of Special Ex Motor Used in Coal Mine Entry Driving Machine
矿用掘井机专用防爆电机机座结构及焊接工艺要点