A.0.1mm B.0.15mm C.0.2mm D.0.5mm
A.955;661 B.910;855 C.943;863 D.914;814
A.轉(zhuǎn)向橋 B.驅(qū)動(dòng)橋 C.轉(zhuǎn)向驅(qū)動(dòng)橋 D.支持橋