head driller 中文意思是什麼

head driller 解釋
司鉆
  • head : n 1 頭,頭部,首。2 頭腦,才能;智力,想像力,理解力。3 前部,上部;頂端,尖突部;船長;(書頁等...
  • driller : 操練員, 鉆床, 鉆機, 鉆探工
  1. The practice amp; improvement of refit head dual channel reverse circulation main shaft about g - 3 engineering driller

    3工程鉆機動力頭雙通道反循環主軸改裝實踐
  2. The practice amp; amp; improvement of refit head dual channel reverse circulation main shaft about g - 3 engineering driller

    3工程鉆機動力頭雙通道反循環主軸改裝實踐
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