单词	alexandra ld.
释义	alexandra ld. 亚力山卓地
随便看	backscatter electron image back-scatterer backscatterer backscatterer thickness backscatterer thick-ness backscatter factor backscatter gage backscatter ga(u)ge back-scatter gauging backscatter gauging backscatter geometry backscatter image back-scattering backscattering back scattering backscattering analysis back scattering coefficient backscattering coefficient back scattering correction backscattering correction backscattering cross-section backscattering differential cross-section backscattering efficiency back scattering factor backscattering factor 钢2 钢3 钢4 钢浇铁铸钢筋铁骨钣钤钥钥3 钥4 52240 52241 52242 52243 52244 52245 52246 52247 52248 52249