checkerwork stack 砖格孔道

checkerwork cell 格孔

checkerwork brick chamber 格子砖室

duplicate checkerwork regenerator unit 双重砖格子的蓄热室

checkerwork grillage 砖格

recuperator checkerwork 涵义蓄热室格子房

solid chimney checkerwork 烟道式格子体

packing coefficeent of checkerwork 格子砖填充系数

conventional open checkerwork setting 普通敞口式格砖砌筑