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請(qǐng)教,,1分管的1分指的是哪個(gè)尺寸,? |
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點(diǎn)評(píng)
1分對(duì)應(yīng)管子上的哪個(gè)尺寸,?
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點(diǎn)評(píng)
感謝
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點(diǎn)評(píng)
感謝參與
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點(diǎn)評(píng)
感謝回答
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點(diǎn)評(píng)
1分和管子哪個(gè)尺寸都無關(guān)?
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點(diǎn)評(píng)
感謝回答
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點(diǎn)評(píng)
感謝回答
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