engraving tool造句怎么写

The mature craftsmanship of stone tools also generates typical microlith assemblage such as scrappers, daggers, stone arrowheads and engraving tools.

And finally the markings on the bodies and the details of the eyes were carefully incised with a stone engraving tool.

engraving tool, electric, hand-held

Diamond tools, tools, engraving tools, spark welding machines, electric welding, machinery and equipment.