单词 | ramp-up |
释义 | Definition of ramp-up in English:ramp-upnoun ˈrampʌp
Origin1980s; earliest use found in Aviation Week. From ramp + up, after to ramp up. Definition of ramp-up in US English:ramp-upnounˈrampʌp
Origin1980s; earliest use found in Aviation Week. From ramp + up, after to ramp up. |
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