Tapping head screw 自攻螺钉
Tapping Head Sets 套装攻丝头组合
Hexagon head tapping screws 六角头自攻螺钉
slotted pan head tapping screw 开槽盘头自攻螺钉
Hexagon flange head tapping screws 六角法兰面自攻螺钉 ; 六角凸缘头自攻螺钉 ; 自攻螺钉
Hexagon washer head tapping screws 六角凸缘自攻螺钉 ; 六角垫圈头自攻螺钉
flat head self tapping screw 平头自攻螺钉
Slotted pan head tapping screws 开槽盘头自攻螺钉
I smashed my fingers with a hammer, and my father showed me how to pinch the nail with my thumb and forefinger, gently tapping its head until it stood upright by itself.
我用锤子击伤了我的手指,父亲就告诉我应该怎样用我的拇指和食指来捏住钉子,轻轻敲打钉子的头部,直到钉子自己直了起来。
After scoring, Sneijder sprinted around the field, tapping the front of his head, then ran to a TV camera and tapped the lens.
在进球后,斯内德一边轻敲自己的前额,一边绕着场地急速奔跑,然后跑到一台电视摄象机前,轻弹摄像机镜头。
Tapping in the former Soviet Union is the major research high-frequency tapping, tapping developed a dedicated ultrasound machine and the corresponding axial ultrasonic head.
前苏联在攻丝方面主要研究的是高频攻丝,研制有专用轴向超声攻丝机床和相应的超声头。
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