英语词汇“dual plan”的读音、翻译、释义、用法及例句-集火网

词汇	dual plan
释义	dual plan 【经】双重法, 双重标准制
随便看	stepped annealing stepped attenuator stepped cone stepped construction stepped cost stepped day work stepped gear stepped increase stepped joint stepped pulley stepped side gate stepped sprue stepped start stop system stepped start-stop system stepped test bar stepped-up stepped wheel stepped wheel gear step-penetrameter step penetrameter stepper stepper motor stepper switch stepping stepping motor

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