A.每周至少啟動熱成像儀1次,每次運行5min B.每周至少啟動熱成像儀1次,每次運行10min C.每周至少啟動熱成像儀2次,每次運行10min D.每周至少啟動熱成像儀2次,每次運行5min
A.1.3 B.1.5 C.1.9 D.2
A.經(jīng)濟適用 B.正規(guī)有效 C.確保實用 D.確保質(zhì)量