... Christmas cracker圣诞花礼炮 crude cracker原油裂化设备... catalyst cracker催化裂化设备...
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The aim of their efforts an effective catalytic cracker to convert crude oil into gasoline using a fluidised bed.
这场努力的目标，是使用流化床催化裂化器把原油转化为汽油。
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The aim of their efforts, an effective catalytic cracker to convert crude oil into gasoline, using a fluidised bed.
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