圓柱形鉆 的英文怎麼說

中文拼音 [yuánzhùxíngzhēn]
圓柱形鉆 英文
cylinder bur
  • : 鉆Ⅰ名詞1. (打眼用的工具) drill; auger 2. (指鉆石) diamond; jewel Ⅱ動詞(用尖物在另一物體上轉動) drill; bore
  1. It cuts a clean cylinder of rock, from which can be seen the strata the drill has been cutting through

    這種頭能切割一段光滑的巖石,從中能看出所透的地層。
  2. A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas

    物質,用於垂直地入地下然後取出以測定石油或天然氣的組成或存在
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