series of permanent artificial standards代用: substitute標(biāo)準(zhǔn): standard; criterion; benchma ...系列: succession; series; bank; se ...代用標(biāo)準(zhǔn): substitute standard代用標(biāo)準(zhǔn)液: permanent artificial standard solution下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
