It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.
结果证明，机用锯条的分齿压痕、基体碳化物状况以
材料中的残存元素等对机用锯条的韧性有不同程度的
。
It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.
结果证明，机用锯条的分齿压痕、基体碳化物状况以材料中的残存元素等对机用锯条的韧性有不同程度的。
明：以上
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