| 词汇 | 开拓 |
| 释义 | 开拓开拓[kāi tuò]1.■ （开辟; 扩展） open up; reclaim; extension; open-out prolongation; baring:开拓城乡市场exploit the urban and rural markets;开拓荒地reclaim wasteland;开拓市场develop [explore] markets;为发展石油工业开拓一条道路open up a path for the development of oil industry;开拓中美两国的联系start contacts between China and the United States;中国移民在19世纪为开拓美洲大陆作出了贡献。Chinese settlers helped tame the American continent during the 19th century.2.■ {矿} （采掘前修建巷道等工序总称） developing; opening3.■ {数} extension 常用词组1.■开拓成本 {经} develop cost;2.■开拓方法 development method;3.■开拓工程 development engineering;4.■开拓进尺{煤矿} tunnelling footage;5.■开拓矿量 developed ore reserve;6.■开拓矿石 {采矿} development rock;7.■开拓煤量 developed coal reserve;8.■开拓水道 {航海} open lead;9.■开拓平巷 development drift;10.■开拓巷道 development working;11.■开拓钻孔 {采矿} development drilling;12.■开拓子 extensor |
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