Goldby

常見(jiàn)例句

• Information from practical operation indicate that in exploration of water abundant placer goldby vibratory sampling drill, no representative rock sample could be collected.
  實(shí)際施工資料表明;在富水性強(qiáng)的砂金鑛勘探中;採(cǎi)用震動(dòng)取樣鑽;無(wú)法獲得有代表性的巖樣.
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