英语词汇“kolumbit (columbite)”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	kolumbit (columbite)
释义	kolumbit (columbite) 铌铁矿
随便看	impulse slice circuit impulse solenoid impulse sound level meter impulse source impulse sparkover impulse sparkover characteristics impulse sparkover voltage impulse sparkover voltage-time curve impulse speed impulses per minute impulse spot welder impulse spring impulse spring break impulse springmake impulse sprinkler impulse sprinkler irrigation impulse stage impulse-starter impulse starter impulse starting impulse steam trap impulse steam turbine impulse-steam turbine impulse-steering circuit impulse stepless gear box 趘趙趚趛趜趝趞趟趠趡 08908 08909 08910 08911 08912 08913 08914 08915 08916 08917