We are capable of manufacturingcarbide twist drills, step twist drills, straight flute drills, hole dilating drills, threeflute drills, combination drills;
可生产硬质合金麻花钻、阶梯麻花钻、直槽钻、扩孔钻、三刃钻、复合钻；
Step Four: Interlock your fingers, (thumbs should be on opposite sides), and twist again, this time, backs of fingers against palms.
第四步：双手手指相扣(拇指应该在相对的两侧)，手指指背对着另一手的手心，互搓。
Step Three: Twist palms with fingers interlaced, and rub between fingers.
第三步：双手手掌相对，手指交叉互搓。
Step Six: Twist & Shout - Do The Swish!
第六步：快速变化并叫出来-做飙换！
Step Six: Twist & Shout - Do The Swish!
第六步：快速变化并叫出来-做飙换！
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