https://www.aliexpress.us/item/2255800851641362.html?aff_fcid=d70f78ae571b46aa85c9144f44db504c-1769049941939-03564-_A59KXi&aff_fsk=_A59KXi&aff_platform=shareComponent-detail&sk=_A59KXi&aff_trace_key=d70f78ae571b46aa85c9144f44db504c-1769049941939-03564-_A59KXi&terminal_id=5658cf2d0a6549b4ba8254631536a3a6&afSmartRedirect=y&gatewayAdapt=glo2usa4itemAdapt 这是用于放在砂纸下面的泡沫
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