... =0, in good condition, non-dezincing. Deep pressing SC—270-380≥30d=0, in good condition, non-dezincing.Mechanical articulation JY—270-500—d=0, in good condition, non ... -dezincing.Ultra-deep pressing SC—270-380≥30d=0, in good condition, non-dezincing.Structure JG≥240≥370≥18d=0, in good condition, non ...