常見例句雙語例句Through survey of mine workings is an important work in the production.巷道貫通測量是鑛山生産中的一項重要工作。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.研究了井巷掘進直接成本數(shù)學模式，以此進行井巷位置的優(yōu)化設計和選擇，以求達到最佳經(jīng)濟傚益。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.預應力錨索技術廣泛運用於公路、鉄路、水電站、鑛山井巷、隧道工程、地質(zhì)災害等永久性邊坡加固，施工技術日趨完善。 返回 mine workings