英语词汇“protection ring system”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	protection ring system
释义	protection ring system 保护环系统
随便看	copy propagation copy protect copy protected copy-protected copyprotected disk copy-protected disk copy-protecteds copyprotected software copyprotection copy protection copy-protection copy-protections copy-protection software copy quality copy quantity dia copy quantity dial copy quantity key copy quantity keys copy quantity selector copyright conference copyright consciousness copyright contract copyread copyreader copy reader