英语词汇“three-level system”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	three-level system
释义	three-level system [计] 三级系统
随便看	under-side underside groove underside handholds underside of piston crown underside of the piston head underside of the rail head underside of weld under-sides undersides underside welding under siege under-siege under-sieges undersieves undersight undersign undersignated milk undersigned under-signed undersigned all agree under-signed all agree undersigneds undersigning undersigns under-sill filling and emptying system 攍攎攐攑攒攓攕攗攘攞股利股匪股占股友股子股市股息股指股改股本