足尺寸鉆頭 的英文怎麼說

中文拼音 [chǐcùnzhēntóu]
足尺寸鉆頭 英文
full-scale bit
  • : Ⅰ名詞1 (腳; 腿) foot; leg 2 (姓氏) a surname Ⅱ形容詞(充足; 足夠) sufficient; ample; enough;...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : Ⅰ量詞(長度單位) cun a unit of length (=1/3 decimetre)Ⅱ形容詞(極短或極小) very little; very ...
  • : 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. With the development of the new technology of drilling, the exploitation of deep well and over - deep well needs small size bit. because one - cone bit has the advantages of the three - cone bit and the pdc bit and it makes for their disadvantages, so the one - cone bit is the important chose to drill the small well

    隨著探新技術的發展,開發深井和超深井技術要求小型化,由於單牙輪具有三牙輪和pdc的優點,同時又彌補了二者的不
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