高矽球墨铸铁
high silicon ductile irons
高铁高锰矿井水
mine water with high concentration of iron and manganese
高铁高钛煤系高岭土矿
High-iron and high-titanium coal measures kaolin d
高铁高碳煤系高岭土矿
Iron-and carbon-rich kaolin in coal measures
稀土灰口铸铁高压暖气片
radiator of rare-earth grey cast iron
Cr15Mo3高铬铸铁
Cr15Mo3 high-Cr cast iron
Cr15高铬铸铁
Cr15 high chromium cast iron