The superiorities of the polymer cement mortar used in concrete destruction patching are elaborated by analysing the experimental data showing the polymer cement mortar mechanic performances.是什么意思_The superiorities of the polymer cement mortar used in concrete destruction patching are elaborated by analysing the experimental data showing the polymer cement mortar mechanic performances.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句