A small shape three port manostat of 78L05 with the output current of 150mA is added on the electrical source end, so the input voltage is decreased from 15V to 12V to supply DM74LS123N.是什么意思_A small shape three port manostat of 78L05 with the output current of 150mA is added on the electrical source end, so the input voltage is decreased from 15V to 12V to supply DM74LS123N.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句