upstream activities造句

"upstream activities"是什么意思   

例句与造句

  1. Petronas is also involved in upstream activities in algeria angola chad cameroon gabon niger sudan south africa tunisia and lybia
    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。
  2. It's difficult to find upstream activities in a sentence. 用upstream activities造句挺难的

相关词汇

  1. "upstream"造句
  2. "upstream activating factor"造句
  3. "upstream activating sequence"造句
  4. "upstream activation sequence"造句
  5. "upstream activation site"造句
  6. "upstream and downstream"造句
  7. "upstream bandwidth"造句
  8. "upstream binding factor"造句
  9. "upstream boundary"造句
  10. "upstream changes"造句
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