最大轧制速度高于()的轧机为高速轧机。
A.20m/s
B.30m/s
C.40m/s
D.50m/s
参考答案:C
Most Chinese carmakers are years behind their western counterparts _______ quality, technology and service.
A.in terms of
B.in need of
C.in favor of
D.in praise of
试述孔雀帝国的各项制度。