单词：gear box
gear box的用法和样例：
例句
- Modal frequency and vibration response of the gear box are computed by structural FEM with a 3-D FE model.建立齿轮箱三维有限元模型，采用结构有限元法计算齿轮箱模态频率和振动响应。
- The paper calculates and analyses the problem of vibration and noise of subway gear box with the combination of structural FEM and acoustic FEM.摘要运用结构有限元法和声学有限元法，对地铁某型号齿轮箱振动与噪声问题进行计算分析。
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Let's chant Let's sing
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OMG美语