break out tongs

基本解释卸螺纹大钳

网络释义

1)break out tongs,卸螺纹大钳2)screw callipers,螺纹卡钳3)break otu tongs,卸扣大钳4)thread screw,上卸螺纹5)screw thread unloading mechanism,卸螺纹机构6)make-up wrench,上紧螺纹管钳

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