内部终饰 meaning in English

internal finishing

Fire test standard for class 1 : a insulated wall or walls and ceilings or roofs ; b plastic interior finish materials ; c plastic exterior building panels ; d wall and wall and ceiling coating systems ; e interior or exterior finish systems
1级防火试验标准: a绝缘墙或墙壁和天花板或屋顶; b塑料内部终饰材料; c塑料外部建筑面板; d墙和墙和天花板涂覆系统; e内部或外部终饰系统