?螺纹道钉

... 弹簧道钉 elastic rail spike 螺纹道钉 screw spike 螺栓螺纹钉 bolt-screw spike ...

?螺旋道钉

... screw spanner 螺旋扳手 screw spike 螺旋道钉 screw spreader 螺旋式摊铺机 ...

[机]?螺丝钉

... negative spike 负峰信号 screw spike 螺丝钉,木螺钉... spike harrow 钉齿耙,直齿耙,钉齿...

?罗纹道钉

... 弹簧道钉elastic rail spike 罗纹道钉screw spike 螺栓罗纹钉bolt-screw spike ...