carbon content in coal
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双语例句
- A more promising technique for early detection focuses on changes in carbon isotopes in carbon dioxide.
有一种较被看好的预先侦测技术，是以二氧化碳中碳同位素的变化做为分析重点。 - High steam carbon ratios were required to prevent carbon formation in the reformer tubers.
为了防止重整管中碳的形成，蒸汽与碳的比率需要非常高。
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