Bleaching with sodium hydroxide solution, this liquid besmear in the wood surface, half an hour later, besmear again hydrogen peroxide.
用氢氧化钠溶液漂白时，将该液涂在木材表面，经半小时后，再涂上双氧水。
Bleaching with sodium hydroxide solution, this liquid besmear in the wood surface, half an hour later, besmear again hydrogen peroxide.
用氢氧化钠溶液漂白时，将该液涂在木材表面，经半小时后，再涂上双氧水。
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