3418| 13
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pu管擴(kuò)徑裝置有沒有的? |
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點(diǎn)評(píng)
熱水是把管子軟化,軟化了就有彈性了,單邊0.25mm的過盈量可以擠進(jìn)去(如果你那個(gè)東西也是100m長(zhǎng)的話,算我沒說)
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點(diǎn)評(píng)
對(duì)呀!類似水壓試驗(yàn)?zāi)菢,把那東西擠進(jìn)去
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