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. ; d1 k5 p& ^) L不懂什么意思,求高手翻译,呵呵!! # |0 v" ^8 q, O* ^3 O) z; w7 r 2 ]- T- R. n! A: a[ 本帖最后由 d281588413 于 2007-11-9 08:21 编辑 ]