常見(jiàn)例句雙語(yǔ)例句The proper evaluation of concrete strength is the principal part of the acceptance of concrete work.混凝土強(qiáng)度的正確評(píng)定是混凝土分項(xiàng)工程質(zhì)量驗(yàn)收與評(píng)定的主要組成部分。In the conservation process, the control should be in favor of hardening concrete strength and growth temperature environments.在養(yǎng)護(hù)過(guò)程中,應(yīng)控制混凝土在有利于硬化及強(qiáng)度增長(zhǎng)的溫度環(huán)境中。In this paper, the impact of metakaolin as well as alternative to traditional metakaolin admixture on concrete strength is studied.本文對(duì)偏高嶺土以及替代傳統(tǒng)摻合料對(duì)混凝土強(qiáng)度的影響進(jìn)行了試驗(yàn)研究。權(quán)威例句Another study, published back in 1995, showed that although the compressive strength of concrete was enhanced only slightly by the addition of polymer fibres, its impact resistance improved sevenfold.ECONOMIST: Bunker-bustingAnd even though steel and concrete are still the most cost-effective materials, new combinations of these substances provide greater strength and fire retardance, says W. Gene Corley, senior vice president at Construction Technology Laboratories in Skokie, Ill.FORBES: They Will Rise Again 返回 concrete strength