1ug等于多少mg

问题描述：一毫克是一千微克1ug=0.001mg评论| F.context('answers')['1355741342'] = {uid:"582287170",imId:"42ff3033323437376161b422",passPhoto:"1",id:"1355741342",userName:"032477aa",userNameEnc:"032477a

1ug等于0.001mg