A taper pipe porous element can be once integrally manufactured by adopting the mould, and the porous taper pipe has high strength and good air permeability performance.

采用本实用新型的模具可以一次性整体制得锥管多孔元件，并且多孔锥管强度高，透气性能好。

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Air permeability, water vapor permeability, moisture absorption, heat preservation and antimicrobial ability are the main performance indicators of hygienic property of leather shoes.

透气性、透水汽性、吸湿性、保暖性、抗菌性等是皮鞋卫生性能的主要指标，分析了皮鞋上述几方面指标国内外的研究现状和发展趋势。

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Plus silk itself peculiar air permeability and moisture transmission performance, silk by feel more slippery, great but not warm, warm but not dry.

加上蚕丝本身特有的透气、透湿性能，使蚕丝被感觉更加滑，爽而不温，温而不燥。

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