Coupled with the engine is a new catalytic converter system that brings together diesel oxidation catalyst (DOC), NOx trap catalyst (NTC) and diesel particulate filter (DPF) technologies.是什么意思_Coupled with the engine is a new catalytic converter system that brings together diesel oxidation catalyst (DOC), NOx trap catalyst (NTC) and diesel particulate filter (DPF) technologies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句