2021| 2
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樹脂加玻纖的復(fù)合片工藝,請(qǐng)教 |
點(diǎn)評(píng)
手糊的話是加纖維布吧,注射的加玻纖是什么樣的呢?我看有好多都是條狀的,應(yīng)該是拉出來的的。
評(píng)分
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