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| 71. | hyperbolic horn antenna |
| 双曲线喇叭天线 |
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| 72. | horn-type transducer |
| 喇叭式换能器 |
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| 73. | re-entrant horn |
| 凹腔式喇叭 |
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| 74. | horn flare angle |
| 喇叭展开角 |
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| 75. | reverse horn gate |
| 倒牛角浇口 |
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| 76. | Cass-horn antenna |
| 卡塞格林喇叭型天线 |
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| 77. | trumpet type horn |
| 筒形电喇叭 |
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| 78. | horn feed antenna |
| 喇叭形天线 |
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| 79. | cattle horn cutting |
| 牛角碎片 |
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| 80. | horn toothed whee |
| 喇叭齿轮 |
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