Application of resilient polyurethane material to the anti-scouring and anti-wearing layer for the bottom outlet for Baojixia Adding Gate Project是什么意思_Application of resilient polyurethane material to the anti-scouring and anti-wearing layer for the bottom outlet for Baojixia Adding Gate Project在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句