栓皮栎月平均树干液流速率较油松的月平均树干液流速率高5-10倍。
The sap flow velocity of Quercus variabilis was 5~10 times higher than that of the Pinus tabulaeformis on a monthly average basis.
养鸡水高流速和高强度非常低的腐蚀速率相结合的特点使合金的K - 500目，尤其适合海洋服务。
The combined Characteristics of very low corrosion rates in high-velocity sear water and high strength make alloy K-500 mesh particularly suitable for Marine service.
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