檢測包括檢查、測量和故障分析。所謂檢查，一般是通過看、摸、聽、聞等直觀的方法，即“看其表、摸其溫、聽其聲、問其味”，對設備的狀況進行查驗，以使確定設備工作是否正常；而測量是指借助各種量具、儀表等對設備及零部件進行測試，以便確定它們是否符合要求，滿足工作需要；故障分析是針對檢查發現的聲響、溫度、氣味等異常現象，結合以往的運行和檢修記錄做出科學的分析判斷，作為製定修理計劃和修理方案的依據。

Detection includes inspection, measurement and fault analysis. The so-called inspection, generally through the visual method of looking, touching, listening and hearing, that is to say, "look at the surface, touch its temperature, listen to its voice and ask its taste", carries on the inspection to the equipment condition, in order to determine whether the equipment works normally; and the measurement refers to the use of various measuring instruments and instruments to test the equipment and parts, in order to determine whether they meet the requirements and meet the work needs; The analysis is aimed at the abnormal phenomena such as sound, temperature and odor found in the inspection, and makes scientific analysis and judgment based on the previous operation and maintenance records, as the basis for making repair plans and repair plans.