A.2 B.3 C.4
A.比車(chē)架式車(chē)身復(fù)雜 B.比車(chē)架式車(chē)身簡(jiǎn)單 C.與車(chē)架式車(chē)身相同
A.前橫梁 B.前縱梁 C.前擋泥板