多层胶合板有助于加固结构。
将沥青路面视为多层饱和弹性半空间轴对称体，引入比奥渗流固结理论和渗流方程。
Regarding asphalt pavement as an axial symmetrical body of multilayered saturation elastic half space, the fundamental thermal Biot consolidation theory and seepage flow equations are introduced.
采用变空间步长的有限差分法，求解了多层地基考虑施工期加荷过程的一维固结问题。
The finite difference method is used to create the basic equation of one dimensional consolidation of layered ground considering construction loads.
搪瓷材料属于无机非金属材料，它是一种深覆在金属表面的一层或多层玻璃质釉，在高温下烧制而成的金属与无机氧化物牢固结合的复合材料。
Porcelain enamel belongs to the inorganic nonmetallic material, it is one kind of compound materials, which was coated on the metal surface and burned under high temperature.
搪瓷材料属于无机非金属材料，它是一种深覆在金属表面的一层或多层玻璃质釉，在高温下烧制而成的金属与无机氧化物牢固结合的复合材料。
Porcelain enamel belongs to the inorganic nonmetallic material, it is one kind of compound materials, which was coated on the metal surface and burned under high temperature.
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