nóng yào > gān sù shěng lán zhōu shì xīng huǒ huà gōng chǎng



nínshìfǒuzàixúnqiú： 甘肃 甘肃省 甘肃省兰州市星火化工厂 gèngduōjiéguǒ...

yīngwénjièshì:   Gansu province Lanzhou municipal spot fire chemical plant