con·cen·tra·tor /ˈkɑn(t)sənˌtretɚ/
使集中的人,濃縮器,選礦機
con·cen·tra·tor /-ˌtretɚ/ 名詞
集中者,濃縮器,聚能器
concentrator
匯集器; 集訊機
concentrator
集中器 集線器
Con·cen·tra·tor n. Mining
1. An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.
2. Firearms A frame or ring of wire or hard paper fitting into the cartridge case used in some shotguns, and holding the shot together when discharged, to secure close shooting; also, a device for slightly narrowing the bore at the muzzle for the same purpose.
◄ ►