The experiential results indicate that compound activator can increase the early strength of harden paste containing 50% fly ash, and that it can increase the later strength.是什么意思_The experiential results indicate that compound activator can increase the early strength of harden paste containing 50% fly ash, and that it can increase the later strength.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句