5149| 11
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平面度符號(hào) |
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點(diǎn)評(píng)
也不能這么說(shuō)了,這是不去除毛料的要求,,有的板類變形都會(huì)超過(guò)的
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點(diǎn)評(píng)
看似簡(jiǎn)單,,實(shí)際制造還是有一定的技術(shù)的
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