短语词组短語Cold Precision Forging 冷精鍛cold precisions forging 冷精鍛cold -forging steel 冷鐓鋼的cold die forging 冷模鍛precise cold -forging 精密冷鍛cold precise forging 冷精鍛cold rotary forging die 冷擺輾模具Cold rotary forging dies 冷擺輾模具 返回 cold forging