During the recent test of the 4000-watt diesel light bulb generator, we reduced fuel consumption from 1 gallon per hour to less than half a gallon per hour...是什么意思_During the recent test of the 4000-watt diesel light bulb generator, we reduced fuel consumption from 1 gallon per hour to less than half a gallon per hour...在线翻译_英语_读音_用法_例句