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請(qǐng)教N(yùn)PT螺紋和BSPT螺紋 |
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點(diǎn)評(píng)
當(dāng)然不能互換了,。角度不一樣,,基準(zhǔn)面直徑也不一樣,牙型也不完全一樣,。怎么互換,?
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點(diǎn)評(píng)
NPT螺紋樣板用在PT螺紋上應(yīng)該能看出縫吧
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