For the revamp unit, the product specification target shall be based upon the pressure rating of the existing equipment.

对老装置改造设计应根据其压力等级确定产品的质量目标。

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For the revamp unit, the product specification target shall be based upon the pressure rating of the existing equipment.

对老装置改造设计应根据其压力等级确定产品的质量目标。

youdao