英文含义
HPPV的全称：Human Powered Paper Vehicle Competition (engineering; Eastern Washington University; Cheney, WA) | 中文意思：───人类动力纸车竞争(工程；东华盛顿大学；钱尼洼)
HPPV的全称：High-Frequency Positive Pressure Ventilation (mechanical ventilation) | 中文意思：───高频正压通气(机械通气)