对于含氟废液可以进行如下处理:加入石灰使生成氟化钙沉淀
正确
暂无解析
新生儿补VitD的时间是()
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
请说出腹泻患儿的护理措施?
Theproposaldeservessupportasitgives______totheneedsofchildren.
Bothofmybrothersarenowmarried,soIhavetwo_____.