| 单词 | bore evacuator |
| 释义 | bore evacuator [`bȯr i`vak·yǝ´wād·ǝr] ORDNANCE A device placed on the tube of artillery weapons to force propellant gases to flow outward through the muzzle end of the bore from a cylindrical chamber around the gun tube; the chamber encloses a series of jets around the cannon tube through which the gases flow. |
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