Èr zhàn qī jiān,Rì běn Guān dōng jūn zài Zhōng guó dōng běi fàn xià le dà liàng zhàn zhēng zuì xíng二战期间,日本关东军在中国东北犯下了大量战争罪行。During World War II, the Japanese Kwantung Army committed numerous war crimes in Northeast China.