高压韧性离心球墨铸铁管
centrifugal ductile iron pipe
离心球墨铸铁管
Centrifugal ball graphite cast iron pipe
centrifugal casting iron pipe
centrifugal ductile iron pipe
nodular cast iron pipe by centrifugal casting
离心铸造球墨铸铁管
centrifugal casting ductile iron pipe
球墨铸铁管(铸管)
spheroidal cast iron pipe
球墨铸铁管道
ductile cast iron pipeline
ductile iron pipe
球墨铸铁管件
Ductile iron pipe fittings
球墨铸铁管线
ductile cast iron pipeline
ductile iron pipe
水泥衬里球墨铸铁管
ductile iron pipe with cement lining
T型双承口球墨铸铁弯管
T-type double socket ductile iron elbow pipe
QT500-7球墨铸铁
QT500-7 friction and wear resistance nodular cast
QT600-3球墨铸铁
QT600-3 nodular cast iron
奥-贝球墨铸铁
AB type spheroidal graphite cast iron
ADI
奥氏体－贝氏体球墨铸铁
Austenite-Bainite ductile cast iron
austenite-bainite ductile iron
奥氏体—贝氏体球墨铸铁
Austenite-Bainite ductile cast iron
奥氏体-贝氏体型球墨铸铁
austenite―bainite type nodular cast iron