ladle sampling是什么意思

网络释义

1)ladle sampling,浇桶(半)取样2)ladle analysis,浇桶(斗)取样分析3)frequency of ladle sample,取桶样次数4)foundry ladle,浇桶5)wine thief,(由桶)取酒样筒6)bubble bucket,井口泥浆取样桶