LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品,钢管由厚钢板压制成形。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品,钢管由厚钢板压制成形。
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