Metal can bear beating with a hammer, which a stone can't.
金属能经得起锤子的敲打,但石头却不行。
Men with metal pipes were in the middle of the street beating people.
拿着铁管的人们正站在街道中间打人。
Metal flow of lead screw cold roll-beating process is analyzed, and metal flow's law of minimum resistance is verified.
分析了丝杠冷滚打过程中金属的流向,验证了金属流动最小阻力定律。
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