environmental cab推土机司机室environmentaladj.环境的；有关环境的environmental substances环境物质environmental reflection环境反射environmental lapse rate环境递减率,环境直减率environmental protertion环保environmental parameters环境因子environmental art design环境艺术设计Environmental Properties环境特征environmental monitoring环境监测,环境监控environmental mineralogy环境矿物学environmental atmosphere环境气氛