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Y
<p>我们之前也遇到过类似问题，后来调整了工艺参数解决了。</p>
G
<p>同行好！我们也做这个，有机会交流一下。</p>
L
J
M
<p>如果设备老化导致精度下降，建议做精度检测和维修。</p>
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