烟道衬块 meaning in English

flue liner

Chimneys - components - concrete flue liners
烟囱.组件.混凝土烟道衬块
Chimneys - components - concrete flue liners
烟囱.组件.混凝土烟道衬块
Chimneys - part 1 : design and performance ; national supplement for the use of clay ceramik flue liners according din en 1457 , allocation of the classification system for custom built chimneys
烟囱.第1部分:设计和性能.粘土陶瓷烟道衬块依照din e