wall material短语¹⁴⁴⁹⁷²⁺² 基本例句 墙体材料 Therefore, Aerated concrete as a kind of lightweight wall material received attention for its unique combination of superior strength, lightweight, heat insulation and processability. 因此，集高强、保温隔热、质轻、可加工性强等优点为一体的加气混凝土受到了人们的高度关注。71155