screwmenn.棉花装船工screwn.螺钉；螺丝；螺状物；螺旋桨；螺旋；吝啬鬼；监狱看守人；<粗>性交；<英俚>工资；薪水v.拧紧；拧；压榨；<粗>性交screw flange coupling螺钉凸缘联轴节screw rolling machine滚丝机screw-cutting lathe车螺纹车床screw-thread tester缧纹检查仪screw feed grease cup滑脂杯screwed hose coupling螺旋式胶管接头screw type compressor螺纹压缩机screw extruding dryer螺旋挤压干燥器screw depth regulator螺旋式入土深度调节器screw pile foundation螺旋桩基

1. A usually thin nut screwed down on another nut to prevent it from loosening.
   防松螺母常指拧紧在另一个螺母上的防止其松动的细螺母