基本解释[化學]硼粉英汉例句雙語例句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更多例句专业释义化學硼粉