请教?exible bladder怎么翻译? the maximum pressure reached during the test is called the qualification pressure. the qualification pressure shall be at least five times the design pressure. the use of a flexible bladder to enable attainment of the qualification pressure is permissible。 测试期间所达到的最高压力称为认证压力。认证压力应至少五倍于设计压力。可借助弹性皮囊使压力达到认证压力水平。查看更多