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简介：At the same time, this is also the reason why Zhu Cixiang arranged for Song Yingxing and Bi Maokang to work in the R&D department of the firearms factory. Song Yingxing and Bi Maokang are both rare technical talents in this era, and both have specialized writings. They were arranged together to discuss and communicate with each other. Yes or no, it definitely has the effect of getting twice the result with half the effort.