Five kinds of methods are adopted to pretreat Moso bamboo, after which a staining method is used to detect the fluid permeability of the treated samples. The result shows that hydrochloric acid hydrolysis can better promote the effect of permeability, with ethanol extraction coming next. Boiling at high temperature and high temperature steam are very effective under the conditions of low temperature and short time. NaOH extraction has little effect on the permeability of bamboo.% 采用五种方法对毛竹进行预处理，对处理后的竹材用染色法检测其流体渗透性。结果表明：盐酸水解对渗透性提升效果较好，乙醇抽提次之，高温水煮和高温汽蒸在温度较低、时间较短的条件下效果较好，NaOH抽提对竹材的渗透性影响不大。
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