Therefore, the study on new types of synchronous internal mixer and those of rotors will be of theoretical and practical value.
因此，开展对新型同步转子密炼机的研究实际上就是对新型同步转子的研究。
Therefore, the study on new types of synchronous internal mixer and those of rotors will be of theoretical and practical value.
因此，开展对新型同步转子密炼机的研究实际上就是对新型同步转子的研究。
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