高铬锰铸铁
high chromium and manganese cast iron
高铬锰耐磨铸铁
High Chromium Manganese Wear-resisting Cast Iron
铬锰铜合金白口铸铁
Cr-Mn-Cu alloy white cast iron
含锰白口铸铁
manganiferous white cast iron
锰白口铸铁
manganese containing cast iron
锰硼抗磨白口铸铁
Wear-resistant Mn-B white cast iron
锰-硼抗磨白口铸铁
wear resistant Mn B whit cast iron
中锰白口铸铁
medium manganese white cast iron
Medium-Mn white iron
中锰球墨铸铁
Medium manganese nodular cast iron
medium ductile iron
沉积变质铁锰矿
sedimentary metamorphic fe-mn deposit
成岩型铁锰结核
diagenetic ferromanganese nodules