单词	螺钉垫圈
释义	螺钉垫圈facing ring
随便看	operation code bit operation code field operation code--opcode operation code table operation code trap operation code，opcode operation complete operation concept operation condition operation conditions operation console operation control operation control center operation control center (occ) operation control center--occ operation control center，occ operation control console operation control console (occ) operation control console {=occ} operation control key operation control key--ock operation control key，ock operation control language operation control language，ocl operation control panel