其具有一种规格的管子割刀相当于传统的几种相近规格的管子割刀所能切割的管径范围；
Its cutting tube diameter range by one tool is equal to it of several similar tools of traditional tube cutting tool.
其具有一种规格的管子割刀相当于传统的几种相近规格的管子割刀所能切割的管径范围；
Its cutting tube diameter range by one tool is equal to it of several similar tools of traditional tube cutting tool.
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