短語詞組短語river diversion by tunnel 隧洞導流diversion power tunnel 發(fā)電引水隧洞diversion spillway tunnel 導流泄洪洞diversion bottom tunnel 導流底孔river diversion tunnel [水利]導流隧洞water diversion tunnel 引水隧洞temporary diversion tunnel 臨時導流隧洞diversion tunnel engineering 輸水隧洞工程the long diversion tunnel 長引水隧洞 返回 diversion tunnel