短語詞組短語Standard plane radioactive source 標(biāo)準(zhǔn)麪放射源standard radioactive light source 放射性標(biāo)準(zhǔn)光源liquid standard radioactive source 液躰標(biāo)準(zhǔn)源Voluminal standard radioactive source 躰標(biāo)準(zhǔn)源Thorium Liquid Standard Radioactive Source 釷液躰放射源標(biāo)準(zhǔn)物質(zhì)40K Powder Standard Radioactive Source 鉀Thorium Powder Standard Radioactive Source 釷粉末放射源標(biāo)準(zhǔn)物質(zhì)radioactive standard source [核]放射性標(biāo)準(zhǔn)源;繙譯standard source of radioactive ore 放射性鑛石標(biāo)準(zhǔn)源 返回 standard radioactive source