Good maintenance practices and periodic testing of the insulation should be the rule rather than the exception.
良好的保养和定期的绝缘检测应成为制度而不是偶尔为之。
In appropriate cases, periodic testing of the different batches prepared from the same lot of dehydrated medium is acceptable.
在适当的情况下,用同一个批次的脱水培养基配制的不同批次的定期试验是可以接受的。
There is an electrical preventive maintenance task assigned to the Ground Fault Circuit Interrupter, that requires periodic testing of the unit.
应指定接地故障断路器的电气预防维护任务,此项任务要求对装置进行定期测试。
Periodic vision testing is required for those taking Sabril.
对服用喜保宁者需要进行周期性的视力测试。
A theoretical and experimental study of the unsteady thermal balance testing for the satellite with periodic heat source is presented in this paper.
本文从理论和实验的方法研究了具有周期热源变化的卫星不稳定热平衡问题。
In order to offer reference for periodic check of free turbine, the minitype Rev testing meter of free turbine was designed.
为给自由涡轮转速装置的定检提供参考,设计了微型自由涡轮转速测试仪。
In order to offer reference for periodic check of free turbine, the minitype Rev testing meter of free turbine was designed.
为给自由涡轮转速装置的定检提供参考,设计了微型自由涡轮转速测试仪。
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