From July 2005 to June 2006, Yangzhou city construction engineering quality test center had tested the quality of 191 concrete admixture sample, and analyzed the test result, some problems were proposed.是什么意思_From July 2005 to June 2006, Yangzhou city construction engineering quality test center had tested the quality of 191 concrete admixture sample, and analyzed the test result, some problems were proposed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句