| 单词 | 发射管 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cathode ray〕A stream of electrons emitted by the cathode in electrical discharge tubes.阴极射线：电子发射管的阴极放出的电子流美国传统〔torpedo tube〕A tube in the hull of a submarine or another naval vessel through which torpedoes are launched.鱼雷发射管：潜水艇或其它海上舰艇上装备的用来发射鱼雷的发射管美国传统 |
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