短語(yǔ)詞組短語(yǔ)sieve pore diameter 篩孔直徑control sieve pore 控制篩孔Sieve Pore Size 篩孔尺寸key sieve pore 關(guān)鍵篩孔extra large pore molecular sieve 超大孔分子篩 返回 sieve pore