样品crosssection;exemplar;exponent;muster;sample;specimen;standard详细»
样品design;sample;model;pattern;specimen详细»
样品reference standard;sample piece;sample workpiece;speciment详细»
样品crosssection;exponent;standard详细»
样品example;prototype;sample;specimen详细»
样品cross section;crosssection;exemplar;scantling;specimen详细»
样品exemplar;exponent;sample;specimen详细»
样品exemplar;sample;sample piece;sampler;scantling;specimen详细»