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changlingan
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2楼2022-03-21 16:40:10
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3楼2022-03-22 16:04:44
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caiheng_1983至尊木虫 (著名写手)
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4楼2022-03-23 08:55:14
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5楼2022-04-08 20:03:55
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hanjianwei专家顾问 (著名写手)
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6楼2022-06-05 11:47:41
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7楼2022-06-05 16:14:33
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8楼2022-06-29 10:30:39
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9楼2022-08-26 14:46:46
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10楼2023-06-05 18:57:37
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不明白你为什么会是流动的,按理说环氧树脂固化完全就不该是流动的了。另外,这个取样条建议加热到软化点在取,用小刀割一个缺口,然后用小起子撬出来。暑假做了一暑假环氧树脂,从金属板固化到聚四氟乙烯