【单选题】
钩锁承台高度须为45~52mm,大于52mm时堆焊后加工,小于()mm时加工修理。
A、40
B、42
C、45
A、40
B、42
C、45
A、24.38→24.5,40.75→41.0 B、36.16→36.0,52.45→52.5 C、24.38→24.0,40.75→40.5 D、36.16→36.5,52.45→52.0
A、24.38→24.5,40.75→41.0 B、36.16→36.0,52.45→52.5 C、24.38→24.0,40.75→40.5 D、36.16→36.5,52.45→52.0