1) Foreign large-sized seamless steel tube
国外大直径无缝钢管
3) Large-sized straight welded pipe production line
大口径直缝钢管生产线
4) heavy caliber thick-wall seamless steel pipe
大口径厚壁无缝钢管
1.
This article studies the ring die's high temperature wear-resistance in the process of manufacturing the heavy caliber thick-wall seamless steel pipe.
对大口径厚壁无缝钢管生产用的减径环的高温耐磨性进行了研究。
5) large-diameter longitudinal pipe
大直径直缝管
6) large diameter longitudinal welded pipe
大直径直缝焊管
1.
The 4th gas and oil pipeline construction high tide including the Second West to East Gas Pipeline Project attract many investor and pipe manufacturers to pay high attention,boost large diameter longitudinal welded pipe production line constructing new investment tide in recent years.
与低端焊管产品市场相比,以西气东输二线工程建设为代表的我国第四次石油天然气管线建设高潮引起了众多投资商和厂家的高度关注,促成了近期国内建设大直径直缝焊管机组的新浪潮,其投资数量、投资规模宏大。
补充资料：直径48m环形加热炉基础(天津无缝钢管总厂)
直径48m环形加热炉基础(天津无缝钢管总厂)
直径48m环形加热炉基础(天津无缝钢管总厂)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条