@Tutankhamun198964没有无公害的办法,只能是重新染白@board我是把变黄的部分用来作画,死猪不怕开水烫
@humenzzz 我先试试卫生纸大法。莫非白色帆布包都如此？
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@humenzzz 我先试试卫生纸大法。莫非白色帆布包都如此？