“cutting instrument”簡單造句，cutting instrument造句子

A thin, sharpened side, as of the blade of a cutting instrument.

To blunt or dull(the edge of a cutting instrument).

A cutting instrument consisting of a sharp blade attached to a handle.

U. S. to develop technology and processes to ensure that the saw blade and other cutting instrument was the most sharp edge.

cut or shaped with hard blows of a heavy cutting instrument like an ax or chisel.