用 (yòng)钢铁 (gāng tiě)及 (jí)枪枝 (qiāng zhī)捍卫 (hàn wèi) 用 (yòng)战舰 (zhàn jiàn)和 (hé)轰炸机 (hōng zhà jī)防御 (fáng yù)
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