短语词组短语cap of screw 螺钉帽cap p screw 有头螺钉cap head screw 帽头螺钉Cap -screw 套螺母Cap for Screw Hole 螺丝孔小帽hexagon socket cap head screw 内六角圆柱头螺钉screw cap and screw plug 螺帽与螺塞Hex cap screw 六角头螺钉;螺丝hexagon cap screw 六角头螺钉;六角帽螺钉 返回 cap screw