Key type drill chuck
GB/T6087-1993扳手钻夹头
drill chuck with thread adapter
螺纹联接扳手钻夹头
Jiatou wrenches, metal tools, screw manufacture, marketing.
夹头扳手、金工具、丝制造、售。
part of a drill that grips the bit
夹头（钻或钻床上用以夹住钻头的部分）.
a wrench with a crank-shaped handle.
有鹤头形的手柄的扳手。
double square closed single head wrench
套方环形一头固定扳手
single-end 15 degree angle wrench
单头15度斜口扳手
double end 15 degree angle wrench
双头15度斜口扳手
a wrench shaped like a brace (has a crank-shaped handle) and a socket head.
形似曲柄头（有一个鹤头把手）和套筒扳手头的扳手。
ABtoolbis an object held in the hand, often used by people in their jobs, eg a hammer, drill or spanner.
是手持工具，常为干活儿的人用的，如 子、钻或扳子
a wrench with a hook that fits over a nut or bolt head.
有一个钩子套在螺母或螺栓头的扳手。
die-stock, of base metal
扳牙扳手,贱金属制
After the hand game, he felt as if his biceps had knotted up.
在扳手腕后，他感到二头肌好象打了结一样。
a wrench with a closed loop (a socket) that fits over a nut or bolt head.
有闭环（插槽）可以套在螺母或螺栓头上的扳手。
The hand - operated or hand - powered holder for this implement.
钻孔机此工具的手动或手工操作的夹具
The assassin, finding that he no longer cried out, lifted his head up by the hair;
凶手看到他已不能叫喊，就拉住他的头发，扳起他的头；
a wrench having parallel jaws at fixed separation (often on both ends of the handle).
在固定分离位置有平行的狭口的扳手（通常在手柄的两头）。
Research and Application of Supporting System for Drill Chucks Design Based on Knowledge;
基于知识的钻夹头设计支持系统研究及应用