Analysis of the Crack Occurring in Concrete Frame Beams and Pillars of the Gate House in Lubao Sluice of the North River Grand Levee是什麼意思_Analysis of the Crack Occurring in Concrete Frame Beams and Pillars of the Gate House in Lubao Sluice of the North River Grand Levee在線翻譯_英語_讀音_用法_例句