I upgraded from 9-pin to 24-pin, from 1200 to 9600 bps (my computer will not run 14.4 external modems), and got a new fax machine.是什么意思_I upgraded from 9-pin to 24-pin, from 1200 to 9600 bps (my computer will not run 14.4 external modems), and got a new fax machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句