青云翻译

In ten minutes the pressure drop is less than 0.02mpa, reduced work pressure checks, non-leaking; pipe pressure test should be the norms.

In ten minutes the pressure drop is less than 0.02MPa per cent working pressure checks, and no leakage of pipe pressure test should be carried out according to relevant norms.

Falls in ten minutes internal pressure is not bigger than 0.02MPa, falls to the working pressure inspection, also does not seep; The pipeline hydrostatic testing should carry on according to the related standard.

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In ten minutes the pressure drop is less than 0.02MPa per cent working pressure checks, and no leakage of pipe pressure test should be carried out according to relevant norms.