sanitationn.公共卫生;卫生设备;下水道设施
sanitation epidemic prevention卫生防疫
Sanitation and cleaning materials卫生和清洁用品
sanitation and antiepidemic station卫生防疫站
Sanitation Requirements at Border Ports国境口岸的卫生要求
sanitation monitoring information system卫生监督信息系统