While extensively carrying out large-scale production activities, continuing to increase the output of military uniforms and various military supplies, and filling the vacancy in the warehouse, Zhang Yun once again focused his attention on the construction and increase of production in the arsenal.

The month-long stalemate war of attrition not only bottomed out the ammunition warehouses of the North China Front Army, but also greatly reduced Zhang Yun's ammunition reserves.

In particular, 120-mm heavy mortar shells were consumed in extremely large quantities in mountain positional warfare, almost supporting the firepower of front-line artillery, and as a result, they were almost in short supply on the battlefield, affecting the front-line warfare.

therefore

"Bright Sword: Why Have You Captured So Much" Chapter 499 The Yunyan Arsenal is expanding again It is in the middle of the hand, please wait a while,

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