Theoreticalweightisapplicabletothecommoditiesofidenticalorstandardizedsizesandspecifications,suchastinplateandsteelplate.
Theoreticalweightisapplicabletothecommoditiesofidenticalorstandardizedsizesandspecifications,suchastinplateandsteelplate.
A.正确
B.错误
正确答案:A