hygienicadj.卫生的；卫生学的hygienic bacteriologigy卫生细菌学hygienic finishing agent卫生整理剂hygienic standardization卫生标准化hygienic characteristics卫生学特性Hygienic chemical indices理化指标hygienic standards for air大气卫生标准hygienic safety evaluation卫生安全评价hygienical plant resources保健植物hygienic information talent卫生信息化人才hygienic quality of product产品卫生品质