HEAT TREAT TO 1/4 HT ROCKWELL HARDNESS C-34 TO C47 AFTER FORMING. (2 HRr AT 320 deg C) PART TO BE BRIGHT AND OXIDE FREE AFTER HEAT TREATING. . W* r3 U i" R5 P4 i不懂什么意思,求高手翻译,呵呵!! % M& k7 G: d7 S+ i* y3 m " g [1 M! ?% v M[ 本帖最后由 d281588413 于 2007-11-9 08:21 编辑 ]