American system knurled screw的意思|示意
美 / /
英 / /
美制滚花螺钉
American system knurled screw的网络常见释义
美制手转螺丝 ... 手转螺丝 Knurled screw 美制手转螺丝 American system knurled screw 蝶形螺丝 wing screw ...