The Allison gearbox is mated to the 6.6-liter Duramax diesel engine, which will be overhauled to meet tough new EPA rules for nitrogen oxide (NOx) emissions that go into effect on January 1, 2010.是什么意思_The Allison gearbox is mated to the 6.6-liter Duramax diesel engine, which will be overhauled to meet tough new EPA rules for nitrogen oxide (NOx) emissions that go into effect on January 1, 2010.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句