gōng chéng shī men / zài / xiá gǔ / zhōng / shè jì / le / yī zuò / lián gǒng bà / yǐ / jiǎn qīng / hóng shuǐ / yā lì工程师们在峡谷中设计了一座连拱坝,以减轻洪水压力。The engineers designed a multiple-arch dam in the canyon to reduce flood pressure.