2) mined out area of coal pit
煤窑采空区
1.
In the exploration process for harnessing and renovating local railways in Shanxi,the interborehole electromagnetic wave fluoroscopy was used to search for mined out area of coal pits,which yielded satisfactory geological effects.
在山西地方铁路病害整治的勘探过程中，将电磁波孔间透视法应用于寻找煤窑采空区，取得了良好的地质效果。
3) goafing of the small coal mine
小窑采空区
1.
The high-density electrical method to geological survey of goafing of the small coal mine
高密度电法探测小窑采空区
4) the damaged area by small coal mine grabbing exploitation
小煤窑抢采破坏区
5) small coalpit developing
小煤窑开采
1.
Based on the field investigation in Liudaogou watershed,Jin Shaan Inner Mongolia coalfield,the influence of the small coalpit developing on the environment and soil and water conservation has been analysed.
在野外考察的基础上，着重就神木六道沟小流域小煤窑开采对环境与水土保持的影响进行了分析，指出小煤窑开采对振兴乡村经济，改善村民生活功不可没。
6) gob area of small pit
小窑空巷区
1.
Ventilation management of full-mechanized drawing face through gob area of small pits;
综放工作面过小窑空巷区的通风管理
补充资料：煤窑
1.用手工开采的小型煤矿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条