deep-hole with large diameter

 
  • 大直徑深孔

deep-hole with large diameter的用法和樣例:

例句

  1. In crater retreat blasting at underground mines,each largediameter hole will be used time and again.
    地下礦山大直徑深孔分層裝葯爆破時,每個炮孔要分段多次利用。

deep-hole with large diameter的相關資料:

臨近單詞

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