| 单词 | percussion primer |
| 释义 | > as lemmaspercussion primer percussion primer n. ΚΠ 1824 Mechanics' Mag. 20 Nov. 142/1 Joshua Shaw's improved percussion primers. 1937 Times 9 Oct. 11/2 Trial supplies of materials at an estimated cost of £100,000, including..50,000 percussion primers for military shells. 2001 Guardian (Nexis) 9 May 9 Mr Pownall said this particular type of residue was caused by the gun's firing pin striking..the percussion primer cap. < as lemmas |
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