1)secton modulus,断面系数2)coefficient of resistance to pressure drop on the annular cross section,断面阻降系数3)cross section coefficient of material,物料断面系数4)factor of section contract,断面收缩系数5)coefficent of radial velocity distribution,断面速度分布系数6)Coefficient of section shape and size,断面形状系数和尺寸
用法例句
Three existing methods for calculation of the cross section coefficient of material,K,are discussed.