多孔混凝土管 meaning in English
perforated clay concrete tube
perforated concrete tube
porous concrete pipe
Examples
- Standard specification for porous concrete pipe metric
多孔混凝土管标准规范 - Standard specification for perforated concrete pipe
多孔混凝土管标准规范 - Standard specification for perforated concrete pipe metric
多孔混凝土管 - Standard specification for porous concrete pipe
多孔混凝土管标准规范