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；

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

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结果表明：改进后的静水压强仪的精度较改进前的提高0 . 6 1%，且具有测试方便、直观性强、安全美观等优点。

It was shown that the improved hydrostatic pressure tester was 0.61%more precise than the old one with such advantages as convenience, direct view, safety and beauty.

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结果表明：改进后的静水压强仪的精度较改进前的提高0 . 6 1%，且具有测试方便、直观性强、安全美观等优点。

It was shown that the improved hydrostatic pressure tester was 0.61%more precise than the old one with such advantages as convenience, direct view, safety and beauty.

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