| 单词 | impulse tube | 
| 释义 | > as lemmasimpulse tube   impulse tube  n. a tube serving to expel a torpedo. ΘΚΠ society > armed hostility > hostilities at sea > naval weapons and equipment > 			[noun]		 > ship's guns collectively > torpedo-tube impulse tube1877 stern tube1883 torpedo gun1885 torpedo-tube1893 1877    Illustr. London News 14 Apr. 339/3  				It is fired by what is called an ‘impulse-tube’, which..discharges the torpedo into the water. 1878    Cassell's Family Mag. 312/2  				Direction is given to the torpedo by means of an iron impulse-tube built into the vessel. 1885    Marine Engineer Sept. 144/2  				The fish torpedoes lie side by side. Immediately behind them..are a couple of ‘impulse tubes’. < as lemmas | 
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