杂质admixture;dirt;foreign body;foreign matter;impurity详细»
杂质extraneous matter;foreign impurities;foreign matter;trash详细»
杂质contaminant;foreign material;foreign substance;impurity详细»
杂质contaminant;contamination;crud;dirt;dirt particles;extraneous material;extraneous matter;foreign matter;foreign substance;impurity;inclusion;unfriendly material详细»
杂质contaminant;foreign matter;foreign substance;heterogeneity;inclusion详细»
杂质contaminant;foreign material;foreign matter;foreign substance;impurity;impurity substance;inclusion详细»