圓柱形鉆 的英文怎麼說
中文拼音 [yuánzhùxíngzhēn]
圓柱形鉆
英文
cylinder bur- 鉆 : 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
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It cuts a clean cylinder of rock, from which can be seen the strata the drill has been cutting through
這種鉆頭能切割一段光滑的圓柱形巖石,從中能看出所鉆透的地層。A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas
鉆心圓柱形物質,用於垂直地鉆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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