countersink screw的意思|示意
沈头螺钉
countersink screw相关短语
1、 Countersink screw PEEK 埋头螺钉
2、 countersink head screw 埋头螺丝,静心螺丝
3、 screw pin countersink shackle 埋头螺丝卸扣
4、 countersink heoffer screw 埋头螺丝
5、 countersink hearticle screw 埋头螺丝
6、 machine screw countersink 机用螺钉沉孔
7、 slotted countersink head wood screw 开槽沉头木螺钉