碳化钨镶尖钻头 tungsten-carbide-tipped bit
钻石尖钻头 diamond point bit
尖头钻头 diamond point bit ; spud
钻头磨尖器 drill sharpener
钻头刀尖补偿 Drill tip compensation
尖头水钻单鞋 pointed toe rhinestone single shoes
星星钻扣尖头鞋 pointed toe shoes with star diamond buckle
锥坑钻头导尖 counter sinking bit
水钻方扣尖头鞋 rhinestone square buckle pointed toe shoes
本文从尖角铣刀割圆出发，拟出了一套钻头牙轮直铣齿的计算公式。
A set of calculating formulae for vertical milling teeth of drilling bit cones is derived herein from cutting rows with Angle cutters.
介绍了单阶梯尖环齿钻头的结构特点及碎岩特点。
This paper introduces the 'structure characteristics and rock fragment characteristics of single step drill head with point pick.
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