资料来源 : pyDict

切槽装置; 挖槽机

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Groover \Groov"er\, n.
   1. One who or that which grooves.

   2. A miner. [Prov. Eng.] --Holloway.

资料来源 : WordNet®

groover
     n : a device that makes grooves by cutting or punching