A.50mm;0.6mm B.60mm;0.6mm C.100mm;0.6mm D.0.5mm;0.6mm
A.1.5mm B.2.0mm C.1.6mm D.1.2mm
A.查交叉桿 B.搖枕 C.側(cè)架 D.查搖枕、側(cè)架外表