With the exploitation of high sulfur gas fields, the working environment of tubing and casing gets worse and more com-plicated.
随着高含硫油气田的开发，油套管的工作环境也趋于恶劣和复杂。
With the exploitation of high sulfur gas fields, the working environment of tubing and casing gets worse and more com-plicated.
随着高含硫油气田的开发，油套管的工作环境也趋于恶劣和复杂。
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