archaean era

常见例句

雙語例句

• The Archaean era limestone aquifer close to No. 10 coalbed is the direct aquifer of it.
  距離其較近的太灰含水層，是10煤開採的直接充水含水層。
• The wall rocks of gold deposits located in Zhaoyuan gold mineralization area were rooted in metamorphic rocks in Jiaodong rock group in Archaean era and granites in Mesozoic era.
  山東招遠金鑛集中區金鑛牀的圍巖爲新太古代膠東巖群變質巖和中生代花崗巖。
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