Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.

热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。

youdao

Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.

热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。

youdao