单选：接收站管道系统投运前，必须要进行吹扫、置换干净，分析（）指标合格。A．氧含量和露点B．氧含量和杂质含量C．冷剂含量和可燃气体含量D．氮气含量

题目分类：测井工考试
题目类型：单选
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题目内容：

接收站管道系统投运前，必须要进行吹扫、置换干净，分析（）指标合格。
A．氧含量和露点
B．氧含量和杂质含量
C．冷剂含量和可燃气体含量
D．氮气含量和可燃气体含量

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