Moving forward, Tenaris expects the trend to continue with oil country tubular goods (OCTG) demand boosted by higher activity in the Middle East a sustained level of activity in North America.
展望未来，泰纳·瑞斯预期油国管材(OCTG)的需求推动活动在中东的活动在北美的持续水平较高的趋势将继续下去。
Clevudine is a pyrimidine analogue with potent and sustained antiviral activity against HBV.
克来夫定为嘧啶类似物，对HBV具有持续有效的抗病毒活性。
Clevudine is a pyrimidine analogue with potent and sustained antiviral activity against HBV.
克来夫定为嘧啶类似物，对HBV具有持续有效的抗病毒活性。
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