对击锻造 counter blow hammer

对击锻锤 counter blow hammer

冲击锻机 [机] impact forging machine

对于击锻造 counter blow hammer

对于击锻锤 counter blow hammer

冲击锻造 [机] impact forging

锤击、锻打 hammering

锤击锻造 hammer forging process

冲击锻造、击锻 impact forging

锻击试验 forging test