单词	镍镁镍华
释义	镍镁镍华nickel-cabrerite
随便看	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 operational sequence operational sequence，os operational sequential diagram operational service period operational service state operational settings operational sign operational specification operational speed