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单词级别附加级基本释义叶轮参考例句The flow of air through the fan is substantially parallel to the impeller axis. 通过风机的气流基本上是与叶轮轴平行的. 来自辞典例句Impeller are open, and closed three - Banbi, as shown in Figure 2 - 2 . 叶轮有开式 、 半闭式和闭式三种, 如图 2-2 所示. 来自互联网 推荐阅读 |
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