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關(guān)注:1
2013-05-23 12:21
求翻譯:About 1 ppm of H2S can result in Hydrogen embrittlement of drill pipes and tubing.是什么意思?![]() ![]() About 1 ppm of H2S can result in Hydrogen embrittlement of drill pipes and tubing.
問題補充: |
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