烟道砖 meaning in Chinese

flue block
flue brick

Chimneys - components - concrete flue blocks
烟囱.组件.混凝土烟道砖
Chimneys - components - concrete flue blocks ; german version en 1858 : 2003
烟囱.元件.混凝土烟道砖
Chimneys - clay ceramic flue blocks for single wall chimneys - requirements and test methods
烟囱.单壁烟囱用粘土陶瓷烟道砖.要求和试验方法
Chimneys - clay ceramic flue blocks for single - wall chimneys - requirements and test methods ; german version of en 1806 : 2000
烟囱.单层烟囱的粘土陶瓷烟道砖.要求和试验方法