[机] female thread
... 阴区:shaded area 阴螺纹,内螺纹:female thread 阴离子交换色谱(法):anion-exchange chromatography ...
[机] negative thread
... negative terminal 负端子,负极端子,负线端 negative thread 阴螺纹 negative throat nozzle 渐缩喷嘴 ...
female
... femaleunion活接头扣圈 female阴螺纹;雌性的 female-malereducer两端分别带有内外螺纹的大小头 ...
Internal Thread
...圆柱表面挖切螺旋凹槽称之外螺纹或阳螺纹 (external thread),相对在机件孔 面制作螺旋槽即称之内螺纹或阴螺纹(internal thread) A. 轴线(shaft line):螺纹中心线 B.