单词	Oil well testing
释义	Oil well testing 油井测试
随便看	obligation fee obligation fees obligation fund obligation holder obligation house obligation implementation obligation incurred obligation in general average obligation in general averange Obligation,Institutional obligation insurance obligation insurer obligation in tax obligation in the absence of a contract obligation investing obligation investment obligation issuing market obligation jurisdiction obligation law Obligation,Legal obligation model Obligation,Moral obligation morality obligation of a contract obligation of additional pay