“portland cement”的概念、定义、翻译、参考文献-科学参考

单词	portland cement
释义	portland cement Encyclopedia 工学水泥释 portland cement硅酸盐水泥以硅酸盐为主要成分的水泥。工学胶凝材料释 portland cement硅酸盐水泥以适当成分的硅酸盐水泥熟料，加入适量石膏，磨细制成的具有中等水化热的水硬性胶凝材料。
随便看	antenna effective area antenna efficiency Antennae Galaxies antenna element antenna elements antenna environment antenna error antenna feed antenna feeds antenna gain antenna graph antenna height antenna illumination antenna impedance antennal gland antenna marine monitoring monitor antenna matching antenna metrology antenna pattern antenna patterns antenna pattern solid angle antenna pedestal antenna phase center antenna phase center offset antenna phase center variation

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