Different ratios of slag content and different water to cement ratios (w/c) were used to evaluate the effects of slag content on the grout.是什么意思_Different ratios of slag content and different water to cement ratios (w/c) were used to evaluate the effects of slag content on the grout.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句