...hydrostatic test and prior to air under water test , the tubes shall be dried by heating to 115 deg.C and passing warm air through the inside of the tubes. » 静水压力测试:管将测试,每条9.7。 在静水压力测试及事先向空中根据水测试、管须干的加热至115°℃暖空气和通过通过里面的铝管。
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短语
静水压力测试规定
hydrostatic test requirements