你说的没错,是镀锌!请参考. J- m( I7 D1 J" O5 p% D
MFZn is zinc plate over an iron base * c1 o* h0 Q4 _
T1: 4um min. salt test :<8m : 240 min >8m:480 minutes 8 G% h: u* T x, Y6 VT2:6um min. H- K4 ~# @3 N W4 k. QT3:8um min. 5 f. V; r! \" e: j. J! oC :clear- B& F- b' \# j/ o$ X2 I4 [