Petronas is also involved in upstream activities in Algeria, Angola, Chad, Cameroon, Gabon, Niger, Sudan, South Africa, Tunisia and Lybia.
Petronas还在阿尔及利亚、安哥拉、乍得、喀麦隆、加蓬、尼日利亚、苏丹、南非、突尼斯、利比亚从事上游活动。
Third, and when appropriate, it must include the build process of systems both upstream and downstream into its own build and testing activities.
第三，适当的时候必须包括自身构建与测试行为的系统构建流程。
We continue to advance our upstream oil and gas activities in West and Southern Africa, the Asia Pacific region and Canada.
我们将继续在非洲西部和南部、亚太地区和加拿大推进我们的上游石油及天然气业务。
We continue to advance our upstream oil and gas activities in West and Southern Africa, the Asia Pacific region and Canada.
我们将继续在非洲西部和南部、亚太地区和加拿大推进我们的上游石油及天然气业务。
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