unthreaded newsreader翻译
unthreaded hole无螺纹孔;光孔;翻译
unthreaded pipe无螺纹的管子;未车扣管子
unthreaded portion无螺纹部分
unthreaded hole wafer typeWU光空对夹式
unthreaded round drill无螺纹钻头
V（动词） to draw out the thread or threads from (a needle, etc) 把线从针鼻抽出