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简介：The situation was almost exactly the same as the previous wave of battles. The Han army's flag artillery battalion fired their guns desperately, while the defenders at the top of the city used coffin boards as resistance to deflect the iron marbles that hit the city wall one by one. Amidst the roar of cannonballs and flying wood chips, although there were a few faint cracks in the city wall, there was no sign of collapse.