A.5 B.10 C.15 D.20
A.催化器催化效率監(jiān)測 B.綜合部件監(jiān)測 C.蒸發(fā)排放系統(tǒng)監(jiān)測 D.氧傳感器監(jiān)測
A.14.7:1 B.16.2:1 C.13.7:1 D.12:1