outside nut
... 螺丝screw 外螺母outside nut 螺母nut ...
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... outer loop；外环(线) outer nut；外螺母 outer planetary gear；外行星传动齿轮 ...
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内外牙螺母 INSERT NUTS
火花塞外壳六角螺母 spark plug bodyhexagon nut
外牙螺母 INSERT NUTS
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品牌：进口外螺纹针型阀可配带不锈钢焊接管，能与管道直接对焊连接，也可通过外螺母拆卸阀门。
Germany RBT import external thread needle valve can be equipped with stainless steel welded pipe, and pipeline butt welding connection, but also through the outer nut removing the valve.
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