He retired after mining for forty years.

在矿山工作了40年后,他退休了。

属类：综合句库--

In the course of drilling, mining and deposition of hear producing materials in the subsurface, the original natural geothermal field is disturbed

在钻井,采矿和发热物质的地下深积的过程中,原始的天然地热场受到了扰动。

属类：综合句库--

It exhibits archaeological findings in the field of ancient mining and metallurgy.

展览展出了古代采矿、冶金领域里的考古发现。

属类：综合句库--

These men work underground for 6 hours a day, mining for coal

这些人每天在地下采煤6小时。

属类：综合句库--

These men work underground for 6 hours at a time, mining for coal.

这些人在地下采煤,一次要连续工作6。小时。

属类：综合句库--

These men work underground for 6 hours at a time,mining for coal.

这些人在地下工作一次挖煤6小时。

属类：综合句库--

Such withdrawals did not affect the application of the mining laws to metallic minerals on withdrawn land

这种回收不影响根据采矿法在已收回的土地上开采金属矿物。

属类：综合句库--

mining administration and mining industry in ancientChina

中国古代矿政和矿业

属类：综合句库--

The theory and system of political economy prevailing in Europe after the decline of feudalism,based on national policies of accumulating bullion,establishing colonies and a merchant marine,and developing industry and mining to attain a favorable balance of trade.

重商主义封建主义衰退后流行于欧洲的政治经济理论和体系,以积累金块的国家政策为基础,拓展殖民地和商船队,并发展工矿业从而取得有利的贸易平衡

属类：综合句库--

totally mechanized coal mining

综合机械化采煤

属类：综合句库--