| 单词 | vent-astragal |
| 释义 | > as lemmasvent-astragal vent-astragal n. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > breech > vent > parts connected with vent-astragal1769 vent-field1769 vent-piece1859 1769 W. Falconer Universal Dict. Marine at Cannon The first reinforce therefore includes..the vent-field; the vent-astragal, and first reinforce-ring. 1802 C. James New Mil. Dict. Vent-astragal, that part of a gun or howitzer which determines the vent-field. < as lemmas |
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