用于高压化肥设备和管道用优质碳素钢、低合金钢和合金钢无缝钢管。
High quality carbon steel, low alloy steel and alloy steel seamless pipes for high pressure fertilizer equipment and pipeline.
论述了高压气瓶用无缝钢管的制造及其生产工艺。
This paper discussed the manufacture procedure of seamless steel pipe for high - pressure gas cylinder.
论述了高压气瓶用无缝钢管的制造及其生产工艺。
This paper discussed the manufacture procedure of seamless steel pipe for high - pressure gas cylinder.
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