nominal thickness短语¹⁴⁴⁹⁷²⁺² 基本例句 额定厚度 Plates shall be ordered to theoretical weight, the added value to nominal/span> thickness listed in Table2 plus nominal thickness shall be the theoretical thickness for weight calculation. 钢板按理论重量交货，用公称厚度加表2所列的附加值作为计算重量的理论厚度。 bbs.chinadaily.com.cn