常見例句雙語例句The study and application of new low alkali content expanding admixture for concrete is mainly introduce.主要介紹了新型低堿膨脹劑的研究和應(yīng)用。FP strengthening & expanding agent is a concrete admixture made from fluorogypsum mainly which is an industrial waste.研制的FP膨脹增強劑是以工業(yè)廢料氟石膏為主要原料生產(chǎn)的混凝土外加劑。 返回 expanding admixture