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Good air permeability, waterproof, wind proof performance is the most important.
透气性好，防水，防风性能最要。
youdao
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Pervious concrete has a good air and water permeability.
透水混凝土具有良好的透气性和透水性。
youdao
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Pervious concrete has a good air and water permeability.
透水混凝土具有良好的透气性和透水性。
youdao