英语词汇“Pre-Qin Days”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Pre-Qin Days
释义	Pre-Qin Days 基本例句先秦 The pre-Qin days were China's bronze age.先秦时期是我国的青铜器时代。
随便看	two-stage cascade generator two-stage cascade system two-stage cassettes two-stage catalytic hydrogenate twostage catalytic hydrogenation two stage catalytic hydrogenation two-stage catalytic hydrogenation two-stage causticization processes two stage cementing two-stage cementing twostage centrifugal pump two stage centrifugal pump two-stage centrifugal pump two stage-charger valve two-stage chilling two-stage cleaning arrangement two-stage close circuits two-stage clustered randomized sampling two-stage coagulation two-stage coal gasification technology two stage column twostage combustion two stage combustion two-stage combustion two stage combustion engine