| 单词 | director-tube |
| 释义 | > as lemmasdirector-tube director-tube n. = sense 3e. ΚΠ 1887 Pall Mall Gaz. 25 Mar. 5/1 Director tube..is the telescopic apparatus through which aim is taken at the enemy's vessel, and by means of which the torpedo is fired. < as lemmas |
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