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晒图机-晒图机，为了节约制图人力和及时供应图纸，将描图纸上的图形通过曝光手段将图形转移到晒图纸上，然后通过显影洗出蓝图的设备。-shaituji</br> generated by yvsou girl
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(28.56701.236.7261.7296.7670)
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(28.56701.236.7261.7296.7670)