A unified formula is derived for efficiency of H closed epicyclic gear train.In addition, self locking conditions of ...
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- 并在此基础上 ,推导出 H封闭式周转轮系的效率计算的统一公式 ;
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries