. . "xi guang Yu" . "xi" . "Xi Guang Yu" . "習廣 余" . "1900" . . "余锡光, (水利水电 )" . "(shui li shui dian ) Xiguang Yu" . "余習廣" . "習廣" . "余习广" . "Hsi-kuang Yü" . "Guang" . "余習廣" . "余锡光" . "Yu"@en . "xi Yu xi guang" . . "Yu, Xiguang, (fan yi )" . "guang" . "余" . "余锡光" . "Yu, Xiguang, (shui li shui dian )" . . "Xiguang"@en . "Xi" . "Xiguang Yu" . "余习广, (翻译 )" . "(水利水电 ) 余锡光" . "余習廣" . "xi" . "(fan yi ) Xiguang Yu" . "Yu" . "Yü" . "余" . "Yu"@fr-FR . "(翻译 ) 余习广" . "余习广" . "Yu xi guang" . . . "Xiguang Yu"@en . "Hsi-kuang" . "余习广" . .