Resurvey the column axis and elevation line, and mark out the column form line, 1:2 cement mortar will be used to leveling at the column bottom.是什么意思_Resurvey the column axis and elevation line, and mark out the column form line, 1:2 cement mortar will be used to leveling at the column bottom.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句