粉煤灰黄土填料
embankment filling material
黄土体工程地质
engineering geology of loess mass
黄土体围岩分类
surrounding rock classification
黄土填方高边坡
High loess embankment slope
回填土充水
water filling of the backfill soil
加气混凝土填充砌块
aerated concrete filled-block
稀土填充热电材料
doped rear earth thermoelectric material