unthreaded hole 无螺纹孔 ; 光孔
unthreaded pipe 无螺纹的管子 ; 未车扣管子
unthreaded round drill 无螺纹钻头
unthreaded portion 无螺纹部分
V to draw out the thread or threads from (a needle, etc) 把线从针鼻抽出
Each is a large unthreaded bead and slides onto your bracelet.
每个人都是一个大无螺纹珠和幻灯片到你的手镯。
Both methods (threaded vs. unthreaded) have their advantages and disadvantages.
两种方法(使用线程vs不使用线程)各有优缺点。
The thin supporting member can be axially moved in the unthreaded hole, and after being adjusted to an appropriate height, the thin supporting member is fixed by the bolt.
细支撑构件可以在光孔中轴向移 动，调节至适当的高度后，通过螺钉紧固住。
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