1) recessed countersunk-head tapping screw
十字槽埋头螺钉
2) recessed shallow countersunk head tapping screw,countersunk head tapping screw
十字槽埋头自攻螺钉
3) recessed shallow raised countersunk head tapping screw
十字槽浅凸头埋头自攻螺钉
4) recessed raised countersunk-head self-cutting screw
十字槽凸头埋头自攻螺钉
5) phillips screw
带十字槽头螺钉
补充资料：埋头顾影
1.形容矫饰者暗中窥察外界的反应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条