在役检验 meaning in Chinese
in-service inspection（isi）
Examples
- Abstract : the first china - made forge - welded hot wall hydrogenation reactor has safely operated for 10 years and the equipment is found to be in good condition of integrity after several inspections in service
文摘:我国自行研制的首台国产化锻焊结构热壁加氢反应器已安全运行10年，此间经几次在役检验，设备状况完好。