interior sap stain边材: sapwood; splint wood; listin ...内部: interior; inside; inward; in ...变色: change colour; discolour边材变色: sap stain变色边材: stained sap下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:边材内部变色,即可在微信中查询翻译