difficult problems in well drilling

　
英 美
  • 疑難問(wèn)題

difficult problems in well drilling的用法和樣例：

例句

  1. The teacher answered our difficult questions.
    老師解答我們的疑難問(wèn)題。
  2. Software testing skill and ability to break down the problems.
    具有軟件測試技能和解決疑難問(wèn)題的能力。

difficult problems in well drilling的相關(guān)資料：

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