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.

果证明，机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧有不同程度的影响。

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，机用锯条的分齿压痕、基体碳化物状况及材料中的残等对机用锯条的韧有不同程度的影响。

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，机用锯分齿压痕、基体碳化物状况以及材料中残存元素等对机用锯有程度影响。

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、基体碳化物状况以及材料中的残存元素等对机用锯条的韧有不同程度的影响。

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，机用锯条的齿压痕、基体碳化物状材料中的残存元素等对机用锯条的韧有不同程度的影响。

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，机用锯条的痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧有不同程度的影响。

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、体碳化物状况以及材料中的残存元素等对机用锯条的韧有不同程度的影响。

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、基体碳化物状况以及材料中的残存元素等对机用锯条的韧有不同程度的影响。

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、基体碳化物状况以及材料中的残存元机用锯条的韧有不同程度的。