thread cutting screw cross recess的意思|示意
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螺纹切螺纹横槽
thread cutting screw cross recess的网络常见释义
十字槽切削螺纹螺钉 ...合机丝牙螺钉 cross recessed pan head combination screw 十字槽切削螺纹螺钉（多种头型） thread cutting screw cross recess 十字槽伞头机丝牙螺钉 cross recessed truss head screw ..