The drying shrinkage and self - shrinkage of concretes with different water to binder ratios were studied.实验研究了不同水胶比的混凝土干缩性能及自收缩性能.Alumina ceramic was formed after gelling and solidify using boehmite as a binder.探讨了利用拟薄水...
He always put his point of view with clarity and with courage.他总是清楚而勇敢地提出自己的观点。The style is marked by simplicity, clarity, and candor.这种风格的特点是简洁、清楚、直截了当。This remarkable technology provides far greater clarity than conven...