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qq010106:按住三边,量最后一点变形高度,这个不大于对角线长度的0.75% (2023-08-24 16:52)
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iamhcy:说来容易,做起来难。如果是锅形呢?如果是S形呢? (2023-09-04 10:14)
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lslovesmt:把PCB放在厚度超过5CM的 大理石或玻璃上面,用卷尺或卡尺量PCB的对角线长度,用塞规量翘起最高值,然后用翘起值除以对角长度 不大于0.75%就OK (2023-11-12 15:52)
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