青云翻译

3.1.9.4.9 before the next process for the base metal surface is found to be contaminated or rust back, should be re-processed to achieve the required surface cleanliness levels to ensure project quality.

3.1.9.4.9 before the next operation to find contaminated substrate metal surface rust or return to, should be to achieve the required surface cleanliness level in order to ensure project quality.

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3.1.9.4.9 before the next operation to find contaminated substrate metal surface rust or return to, should be to achieve the required surface cleanliness level in order to ensure project quality.