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Terms for subject Drilling containing 形 心 | all forms
ChineseEnglish
加压割心岩心爪楔形套core shoe
单侧偏心U形弯头single offset U bend
实心圆柱形材料solid round material
岩心上至下和左至右排放形式book fashion
形成中心centralize
提断割心卡箍的楔形套core lifter wedges
金刚石钻头金刚石同心圆形布镶形式concentric pattern
锥形台阶取心钻头tapered step-core bit

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