mine workings

常见例句

Through survey of mine workings is an important work in the production.
巷道贯通测量是矿山生产中的一项重要工作。
Study on the mathematical mode of mine workings advance direct cost, Optimal design and elect position of mine workings based on this mode. Search for the best economic benefit.
研究了井巷掘进直接成本数学模式，以此进行井巷位置的优化设计和选择，以求达到最佳经济效益。
The prestressing force anchored cable technique has been widely used in permanence slop strengthening in highway, railway, hydropower station, mine workings, tunnel workings, and geologic hazard.
预应力锚索技术广泛运用于公路、铁路、水电站、矿山井巷、隧道工程、地质灾害等永久性边坡加固，施工技术日趋完善。