短語(yǔ)詞組短語(yǔ)defect -density 缺陷密度defect t density distribution 缺陷密度分布defect t density 缺陷密度high defect -density region 高密度缺陷區(qū)defect density distribution 缺陷密度分布Marco Defect Density 孔洞密度low defect density 低的缺陷密度density defect 密度缺點(diǎn);密度結(jié)晶 返回 defect density