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[期刊论文] 作者：LIU Ya-xu,HUO Chun-yong,LI Wei-wei,MA Qiu-rong,FENG Yao-rong,
来源：城市道桥与防洪 年份：2004
X70 grade large diameter line pipe with helical and longitudinal seam SAW was developed and used in West-East Pipeline Project of Petrochina. The operation pres...
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