ring nail annular ring nail的意思|示意

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环钉环形环钉


ring nail annular ring nail的网络常见释义

环形螺纹钉 托盘制造机械及设备 ... 螺纹钉 threaded nail 环形螺纹钉 ring nail,annular ring nail 断续式螺纹钉 interrupted thread nail ...