轧延机械 rolling mill machinery

管材斜轧延伸 tube elongating process

斜轧延伸机 rotary elongating pipe mill

延轧 Rolling

斜轧延伸 cross-rolling elongation

二辊斜轧延伸 two-high rotary elongation

延伸轧管机 elongator ; elongating mill

斜轧延伸轧管工艺 Cross-rolling mill as an elongator

延伸轧机 elongating mill ; [机] elongator