A.氮氣彈簧 B.空氣彈簧 C.油氣彈簧 D.氧氣彈簧
A.斷面漸變 B.剛度漸變 C.螺距漸變 D.直徑漸變
A.轉(zhuǎn)向橋懸架B.驅(qū)動橋懸架C.隨動橋懸架D.轉(zhuǎn)向驅(qū)動橋懸架