1. The experimental result of
imperviousness of asphalt concrete under various load levels is presented in this paper.
本试验侧重于沥青混凝土的防渗性能研究。
2. Cork from Q. suber has many good physical properties, such as low density, well elasticity, heat insulation, sound insulation,
imperviousness and damp proof.
欧洲栓皮栎软木具有密度低、弹性好、热绝缘性好、吸声减震和防水等优良物理性能。
3. An influence of flyash on the compressive strength and
imperviousness of concrete is discussed in the paper through the experiments on flyash concrete samples.
文章通过对粉煤灰混凝土试块进行的试验，探讨了粉煤灰对混凝土的抗压强度和抗渗性能的影响。
