The blocked fire resistant layer core found when check should be cleaned, to guarantee each pore is unblocked, distorted and corroded fire resistant layer should be replaced.
The blocked fire resistant layer core found when check should be cleaned, to guarantee each pore is unblocked, distorted and corroded fire resistant layer should be replaced.
检查发现被堵塞的阻火层芯子应清洗干净，确保芯子上每个孔眼畅通，对于变形或腐蚀的阻火层应更换。