... external protective tissue 表面防护薄纸 external screw 阳螺丝 external treatment 厂外处理 ...
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external screw thread [机] 外螺纹 ; [机] 阳螺纹
external screw cutting tool 外螺纹车刀
external screw gauge 外螺纹检查规
casale closure with external screw 外螺纹卡扎里密封
external screw stop valve 外螺纹截止阀
external screw characteristic 螺杆外部特性
external screw slant mill 外螺纹轧机
External adjustment screw 外部调整螺钉
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