英语词汇“grandfathered activities”的翻译、意思、用法、释义-英汉汉英词典

单词	grandfathered activities
释义	grandfathered activitiesn.① 【商貿】溯往活動
随便看	tube, converging tube conveyer tube--conveyer tube conveyor tube cooled motor tube cooler tube-- coolidge tube-- cooling tube count tube counter tube-- counter tube-- crookes tubectomies tubectomy tube culture tube current tube cutter tubed tube damper tube, decade tube, decade(counting) tubed horse tube dilution method tube-- discharge tube, disk-sealed