Light weight aggregate concrete (LWAC) is composed of light weight poriferous aggregate and cement paste.

轻集料混凝土(LWAC)由轻质多孔集料和水泥石胶结而成。

For this, foreign some company is a foundation with the hydrokinetics, pass current analysis, studied the efflux feature of weak opening and poriferous oxygen gun.

为此，国外某公司以流体动力学为基础，通过液流分析，探究了单孔和多孔氧枪的射流特征。

It is made of two layers of kraft paper that is conglutinant, poriferous, tensile, and it has more pleats to increase desilting area of paint particle, and increase holding capacity.

由两层胶粘的、有孔、褶皱且能拉伸的牛皮纸组成，其更多的褶皱增加了油漆沉淀面积，加大了油漆过滤纸(器)的承载能力。

SEM analysis show that morphology of the residue was mostly anomalistic vitreous body that the surface was coarse, poriferous and of lax structure, and therefore it was different from fly ash.

SEM分析表明，提铝残渣颗粒形貌完全不同于粉煤灰原灰形貌，且多为不规则玻璃体颗粒，表面粗糙不平、并呈多孔、疏松结构。