As a heat insulation material, straws have been used as building material for a long time.
As a heat insulation material, straws have been used as building material for a long time.
摘要农作物秸秆因具有保温隔热性能，自古以来就是一种良好的建筑材料。
As a heat insulation material, straws have been used as building material for a long time.
摘要农作物秸秆因具有保温隔热性能，自古以来就是一种良好的建筑材料。