同义词
1)beta backscatter thickness meter,反散射测厚计2)beta backscatter thickness meter,β反散射测厚计3)back-scattering thickness gauge,反向散射厚度计4)back scatter beta gauge,反射型测厚计5)gamma backscatter thickness meter,射线反散射厚度计6)gamma backscattering thickness gauge,γ反向散射测厚仪
