英文含义
EHST的全称：Environmental, Health, Safety, and Transportation (regulatory standards) | 中文意思：───环境，健康，安全和交通(监管标准)
EHST的全称：European Helicopter Safety Team (EU) | 中文意思：───欧洲直升飞机安全小组(欧盟)
EHST的全称：Environmental, Health and Safety Technology (various locations) | 中文意思：───环境，健康和安全技术(各地)
EHST的全称：Enhanced Homestation Training (US DoD) | 中文意思：───强化本站培训(美国国防部)