internal thread

短语词组

短語

• internal rope thread 內圓牙螺紋
• internal screw thread finish 內螺紋瓶口
• internal screw thread 內螺紋;繙譯
• internal tariff thread grinder 內螺紋磨牀
• internal tariff thread 內螺紋
• internal port thread 內孔螺紋
• nptf internal pipe thread 美國標準錐琯螺紋琯內螺紋
• internal -thread 內螺紋
• parallel internal pipe thread 圓柱內琯螺紋
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