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木材化学改性Chemically modified wood
木材防腐Preservation of wood
木材阻燃处理Fire retardation of wood
木材无损检测Nondestructive Evaluation of wood
变色stain(discoloration)
化学变色chemical stain
真菌变色fungus stain
霉菌变色discoloration by mould
边材变色sap stain
心材变色heart stain
腐朽decay(rot)
阻燃剂fire retardants
泡沫剂foam-forming chemical