Goldby

常見例句

• 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;採用震動取樣鑽;無法獲得有代表性的巖樣.
返回 Goldby