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doors packing, construction and insulation of the fire door, boards, penetrations particularly cables and pipes in fire bulkheads, bulkheads, fireshields and fireproofing, rope door sealants, sprayed on insulation
nautic., tech. 防火门的填料、构件和隔热、地板、板材、贯穿件特别是防火舱壁的电缆和管线、舱壁、防火屏蔽、密封胶绳门、喷涂保温