短語詞組短語Electronization back -check 電子化檢查telephone back -check 電話覆檢back -fire check valve 逆火止回閥entrance back -check 進(jìn)場報驗longitudinal back -up check 縱向冗余校驗Ultrapower Ultra - Back-Check 數(shù)據(jù)可用性監(jiān)測體系coal sample for back -check 存查樣 返回 back-check