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conversion du charbon en oléfines noun {f}

  /kɔ̃.vɛʁ.sjɔ̃ dy ʃaʁ.bɔ̃ ɑ̃ ɔ.le.fin/
CTO, CTO process, coal to olefins, coal-to-olefins, coal-to-olefins process
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