environmental cab推土机司机室
environmentaladj.环境的;有关环境的
Environmental managemont环境管理
Environmental nrotection环保
environmental acceptance环境验收
environmental literature环境文学
environmental variations环境变化
environmental instrument环境仪器
environmental difference环境差异
environmental sanitation环境卫生
environmental calibrator环境刻度器
environmental constraint环境约束