墙壁、屋顶和地板是由刚性泡沫保温材料制成，夹在两片钢片之间，称为隔热板结构。
The walls, roof and floor are fabricated from rigid foam insulation sandwiched between two sheets of steel known as Structural Insulated Panel (SIP).
墙壁、屋顶和地板是由刚性泡沫保温材料制成，夹在两片钢片之间，称为隔热板结构。
The walls, roof and floor are fabricated from rigid foam insulation sandwiched between two sheets of steel known as Structural Insulated Panel (SIP).
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