但火药除外。它的传播是唐朝与波斯国的战争,唐朝军队被打败了,被俘虏的士兵把造火药的技术传到今伊朗,然后再传入西方。
但火药除外。它的传播是唐朝与波斯国的战争,唐朝军队被打败了,被俘虏的士兵把造火药的技术传到今伊朗,然后再传入西方。
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