The sleeved barrels vent excess heat with each recoil, drawing coolant from a built-in tank with each barrel's return.
有套筒的炮管利用每次反冲排出多余的热量，它们在每次后退时从内置储箱中获得冷却剂。
The sleeved barrels vent excess heat with each recoil, drawing coolant from a built-in tank with each barrel's return.
有套筒的炮管利用每次反冲排出多余的热量，它们在每次后退时从内置储箱中获得冷却剂。
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