改装炮舰 auxiliary gunboat

改进炮铜 [材] modified gunmetal

改变哲炮台公园 change zhe battery park

改良的重手炮 Strong Hand Culverin

改良的小鬼炮 Novelty Portable Buster

及榴炮改良计画 Howitzer Improvement Program

及榴炮改良计划 Howitzer Improvement Program

改良的迫击炮 improved mortars

黑色加农炮修改版 Old Cannon