The super-long trestle bridge at south-bank of Hangzhou Bay sea-crossing bridge is an important temporary structure,which has semi-permanent feature.是什么意思_The super-long trestle bridge at south-bank of Hangzhou Bay sea-crossing bridge is an important temporary structure,which has semi-permanent feature.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句