短语词组短语pore -entry diameter 孔隙入口直径maximum pore diameter 最大孔隙直径;最大孔径nano -pore diameter 纳米孔径ratio of pore diameter 孔径比transitional pore diameter 过渡孔直径typical pore diameter 典型孔径small pore diameter 小孔径 返回 pore diameter