the mechanism that, after firing, pulls an empty or unfired cartridge or shell case out of the chamber and brings it into place for action by the ejector.
a centrifuge for spinning wet laundry so as to remove excess water.
Medicine/Medical, Dentistry. an instrument for drawing out, extracting, or pulling.
更多extractor例句
Storms, erosion, and thousands of miles of channel cut by oil and gas extractors have lacerated the marshland that once made up the bottom of the state’s boot.
Now the users and extractors of helium are fighting a decision to end that program.
This is the action in the gun except that the cartridge is held firm and the extractor pushed against it.
If this last be clear of the extractor stop (z) it will yield to pressure and the cartridge will be free.
The extractor (figs. 11 and 12) is recessed to take a movable plate (u) termed a “gib,” behind which is a spring (v).
This places a cartridge above the breech ready to be seized by the extractor.
At the front of the bolt is an extractor with a spring claw for extracting the fired case.