wastedump

常见例句

• The wastedump of an underground mine in Guangdong province was selected in a surface dip offset zone under the specified conditions of landform,general layout and mining technologies.
  廣東某一地下開採鑛山在地形地貌、縂躰佈置和採鑛工藝的特定條件下,廢石場選擇在地表錯動帶內。
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