Anti-Japanese War: Starting from Songhu, Millions of Soldiers Were Developed!

[Battle of Songhu + German Armorer + System + Explosive Soldiers + Growth + Large Corps Combat] College student Xie Yun woke up and found that he had traveled to the Republic of China in a parallel world! Not only is he an outstanding graduate from Huangpu, he also has an uncle who is a brigade commander in the German Arms Division! The most important thing is that there is a system! But there are unforeseen circumstances! Xie Yungang wants to use the system to take off and reach the pinnacle of life! Something is wrong with the system! Xie Yun, who knew how powerful he was, had no choice but to suspend takeoff first. Unexpectedly, before the system could wait, the Battle of Songhu came first. What should I do? Wait online. It's urgent! ... (The introduction is too weak, readers please move to the main text)