Several technical problems and its countermeasures in the construction of pre-stressed anchorage cables for the permanent ship locks of the Three Gorges Project是什么意思_Several technical problems and its countermeasures in the construction of pre-stressed anchorage cables for the permanent ship locks of the Three Gorges Project在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句