基本解釋[化學(xué)]硼粉英漢例句雙語例句Small amounts of boron were transferred from the electrode to weld metal by adding boron oxide or ferroboron powder to the electrode covering.通過在銲條葯皮中加入氧化硼或硼鉄曏銲縫滲入微量硼。boron metal powder更多例句專業(yè)釋義化學(xué)硼粉