| 单词 | percussion tube |
| 释义 | > as lemmaspercussion tube percussion tube n. ΚΠ 1839 Jrnl. Franklin Inst. 23 114 Percussion tubes for cannon. 1899 Times 16 Jan. 11/3 Firing gears are provided for using friction or percussion tubes. 1994 B. L. Dastrup Field Artillery i. ii. 29 Both the percussion tube and the friction primer were placed in the vent. < as lemmas |
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