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字词 开拓
释义 开拓
 kāi tuò
 (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.
  {矿} (采掘前修建巷道等工序总称) developing; opening
  {数} extension
 开拓成本 {经} develop cost;
 开拓方法 development method;
 开拓工程 development engineering;
 开拓进尺{煤矿} tunnelling footage;
 开拓矿量 developed ore reserve;
 开拓矿石 {采矿} development rock;
 开拓煤量 developed coal reserve;
 开拓水道 {航海} open lead;
 开拓平巷 development drift;
 开拓巷道 development working;
 开拓钻孔 {采矿} development drilling;
 开拓子 extensor
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更新时间:2025/1/14 9:20:22