Finning is the practice of cutting the fins off sharks and throwing the animals back into the sea to die.
取鳍是将鲨鱼的鱼鳍砍掉之后再把鱼丢回海里任其死亡。
The lead wire parts multi-position progressive die is introduced, the method of multi-units strip material cutting off is stated, and a novel guide pin structure is introduced.
介绍了引线角多工位级进模，叙述了多单元条料的切断方法，及以一种新颖的导料钉结构。
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