| 释义 |
ex·trac·tor
\ikˈstraktə(r), (ˈ)ek|s-\ noun
(-s)
1. : one that extracts: as
a. : a forceps or other instrument used in extraction (as of a tooth)
b. : a device for withdrawing a cartridge or spent cartridge case from the chamber of a firearm
c. : a machine that exerts centrifugal force in extraction (as of honey from honeycombs or moisture from wet materials)
d. : a device to pull ferrules from tube plates
e. : an apparatus for extracting substances by means of solvents
f. : a device used for extracting fruit juice (as by squeezing)
2. : a worker who operates an extractor |