一种大管径割管器，由架、链子、割刀组成。

The utility model relates to a big-caliber pipe cutter, comprising a frame, a chain and a cutter.

youdao

一种大管径割管器，由架、链子、割刀组成。

The utility model relates to a big-caliber pipe cutter, comprising a frame, a chain and a cutter.

youdao