易削钢 free cutting steel ; heat resisting steel

易削不锈钢 easy-cutting stainless steel

易切削钢 Automatic Steel ; [材] Free-Machining Steel

易削钼钢 Economo

易切削钢丝 Free Cutting Steel Wire ; free cutting wire

含铅易切削钢 Lead Treated Steel ; containing lead free-cutting steel

加铅易切削钢 Ledloy Free Cutting Steel

易切削的 free machining ; free-cutting

易削黄铜 free cutting brass