The auger is mainly composed of a driving head and a drill bit assembly.The driving head is fixedly connected with the drill bit assembly.The drill bit assembly includes a drill rod，a helical blade surrounding the drill rod，and a drill bi...
The auger is mainly composed of a driving head and a drill bit assembly.The driving head is fixedly connected with the drill bit assembly.The drill bit assembly includes a drill rod，a helical blade surrounding the drill rod，and a drill bi...
The auger is mainly composed of a driving head and a drill bit assembly.The driving head is fixedly connected with the drill bit assembly.The drill bit assembly includes a drill rod，a helical blade surrounding the drill rod and a drill bit...
The auger is mainly composed of a driving head and a drill bit assembly.The driving head is fixedly connected with the drill bit assembly.The drill bit assembly includes a drill rod，a helical blade surrounding the drill rod，and a drill bi...
The auger is mainly composed of a driving head and a drill bit assembly.The driving head is fixedly connected with the drill bit assembly.The drill bit assembly includes a drill rod，a helical blade surrounding the drill rod，and a drill bi...
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