短語(yǔ)詞組短語(yǔ)seismic internal force coefficient 地震內(nèi)力系數(shù)vertical seismic internal force coefficient 豎向地震內(nèi)力系數(shù)coefficient of seismic internal force 地震內(nèi)力系數(shù) 返回 seismic internal force