求翻译：After the application of the disturbance and recovery either the difference between any indication before the test and the indication after the test shall not exceed one half of the maximum permissible error in the upper flowrate zone or the measuring system shall detect and act upon a significant fault, in compliance with Annex B of Part 1是什么意思？

待解决 悬赏分：1 - 离问题结束还有