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关注：1
2013-05-23 12:21
求翻译：Horns can be of various types, using air or electricity to vibrate a diaphragm-as in a cars horn ,but much more powerful. Just as with car horns, fog horns are often installed in groups, sounding a chord rather than a single note. They can be at any pitch, or even vary in pitch, but they never have the diaphone’s grunt .是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Horns can be of various types, using air or electricity to vibrate a diaphragm-as in a cars horn ,but much more powerful. Just as with car horns, fog horns are often installed in groups, sounding a chord rather than a single note. They can be at any pitch, or even vary in pitch, but they never have the diaphone’s grunt .
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