tapping sample是什么意思

中文翻译出铁试样

网络释义

1)tapping sample,出铁试样2)ferromagnetic item,铁磁试样3)chill test piece,冷铁试样4)ferro-alloy test piece,铁合金试样5)drain sample,排出的试样6)random sample,无规抽出试样

Method of analyzing ferro-alloy test piece by fluorescent X-ray;