substandard instrumentsubstandardinstrument副: assistant标准: standard; criterion; benchma ...仪表: appearance; bearing副标准仪表 次标准仪表: substandardinstrument标准仪表: calibration instrument; master instrument; master meter; primary instrument; reference instrument; reference meter; standard instrument; standard meter; standard-i trument; standardmeter下载手机词典可随时随地查词查翻译
