血铅超标

调查表明，血铅超标儿童是因为吸入村民非法提炼黄金的“小氰池”的污气。

Initial investigations showed the children may have inhaled lead fumes discharged from illegal gold metallurgy workshops in the villages .

儿童身高刚好在大气铅浓度最高的范围内，这也正是儿童血铅超标比例大的主要原因。

The children 's height is just in atmosphere with high lead field . This is also the chief cause of children 's lead poisoning .

其它地理区儿童血铅的超标范围在3.48%~31.81%。

The children , whose blood lead level exceed the threshold value , are in the range of 3.48 % ~ 31.81 % in the other areas .

铅中毒的特征由过去急性铅中毒为主的职业病逐渐转变为血铅轻度超标为主的流行病，严重影响儿童的生长发育和人们的身体健康水平。

The acute occupational disease of saturnine gradually gives way to the epidemic disease of moderated raised Pb-B level which severely affect the growth and development of children as well as the health level of adults .