圣玛丽亚女校仍是一块只经过稍微雕琢的普通白石，但是随着时光的流逝，它也许会被尘埃染污，受风雨侵蚀，或破裂成片片碎石。
Mary Academy is still a simple piece of white stone briefly carved, but as time marches on, duanwenw, . com it may be spoiled by dust, worn out by weather, or broken into separate pieces.
耐化学腐蚀试验表明新型碱矿渣水泥具有比普通硅酸盐水泥更优的抗化学侵蚀性；
Test results on resistance to chemical attack indicate that NASC possesses more excellent anti-chemical attacking property than that of Ordinary Portland Cement.
应用线性极化法、交流阻抗法和时间电位法等电化学方法对普通混凝土和掺粉煤灰混凝土中钢筋耐海水侵蚀性能进行了研究。
Based on the method of linear polarization, AC impedance and time potential, it is studied that the properties of seawater corrosion resistance of rebar in normal concrete and fly ash concrete.
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