据卫生部门和水利部门的调查,我国农村饮用水符合农村饮水卫生准则的比例为66%,还有34%的人口饮用水达不到要求。初步摸底调查显示,我国有3亿多 According to the survey conducted by the health department and the water conservancy department, the proportion of rural drinking water in our country that meets the rural drinking water hygiene standards is 66%, and 34% of the population does not meet the drinking water requirements. A preliminary survey shows that there are more than 300 million in our country