This crude oxygen liquid is withdrawn from the column and sent to a low-pressure column where it is distilled until it meets commercial specifications.
接着从蒸馏塔取出原始液氧，送到一个低压塔，在这里继续蒸馏，直到满足商业技术规范。
This crude oxygen liquid is withdrawn from the column and sent to a low-pressure column where it is distilled until it meets commercial specifications.
接着从蒸馏塔取出原始液氧，送到一个低压塔，在这里继续蒸馏，直到满足商业技术规范。
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