问题是,这些气体在大气中有很长时间的寿命。
The problem is that these gases have a long life time in the atmosphere.
对长期暴露在外并受大气腐蚀的压力管道进行了腐蚀剩余寿命研究。
The residual life for long-dated service pipe corroded in atmosphere is studied.
对长期暴露在外并受大气腐蚀的压力管道进行了腐蚀剩余寿命研究。
The residual life for long-dated service pipe corroded in atmosphere is studied.
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