Problems existed with the old hydrostatic pressure tester:Complicated pressure adjustment procedures and easy spill;

老式静水压强实验仪存在的问题有：压力调节过程繁琐，容易外溢；

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Problems existed with the old hydrostatic pressure tester:Complicated pressure adjustment procedures and easy spill;

老式静水压强实验仪存在的问题有：压力调节过程繁琐，容易外溢；

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