短语词组短语Cold Precision Forging 冷精锻cold precisions forging 冷精锻cold -forging steel 冷镦钢的cold die forging 冷模锻precise cold -forging 精密冷锻cold precise forging 冷精锻cold rotary forging die 冷摆辗模具Cold rotary forging dies 冷摆辗模具 返回 cold forging