短語(yǔ)詞組短語(yǔ)grain -diameter 粒徑nano grain its diameter 納米粒子粒徑grain average diameter 晶粒平均直徑optimum grain -diameter 最佳粒徑grain equivalent diameter 顆粒等效直徑cobblestone grain diameter 石子粒徑emulsion grain diameter 乳液粒徑median grain diameter 粒度中值;粒徑中值 返回 grain diameter