critical operation短语⁶³⁰⁰⁴ 基本例句 临界操作,临界状态下运转 In order to predict reliability, a sound valve design must be backed up up by a stress analysis and functional qualification testing under critical operating conditions.为了预测可靠性,一个可靠的阀门设计必须通过临界操作条件下的应力分析和功能合格测试。