单词	深问
释义	深问 shēnwèndelve for basic reasons; question further and further
随便看	operational readiness test system (orts) operational ready operational recording operational recording level operational relay operational reliability operational report operational report--or operational report，or operational requirements operational research operational research--operations research operational research (or) operational reserve operational resposibility operational risk operational room monitor operational rule operational safety earthquake operational safety earthquake, sl-1 operational safety management system operational safety review operational scheduling operational self test operational semantics