| 释义 |
grease gun
grease gunn.1. A hand-powered pump used to force grease under pressure into bearings.2. A submachine gun.grease gun n (Tools) a device for forcing grease through nipples into bearings, usually consisting of a cylinder with a plunger and nozzle fitted to it grease′ gun`
n. a hand-operated pump for greasing bearings under pressure. Translationsgrease gun
grease gun[′grēs ‚gən] (engineering) A small hand-operated device that pumps grease under pressure into bearings. |