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.+ A J' A0 q/ l3 H7 T p
不懂什么意思，求高手翻译，呵呵！！* W/ C8 `* @* Y) c
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[ 本帖最后由 d281588413 于 2007-11-9 08:21 编辑 ]
发表于 2007-11-8 17:29:33