英语词汇“secondary protective barriers”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	secondary protective barriers
释义	secondary protective barriers 二次防护层
随便看	rulebreaker rule-breaker rulebreakers rule-breakers rule-breaking rulebreaking rule-breakings Rule, Britannia! rule britannia rule by law rule by man rule by person rule by special privilege rule by the voice of one man alone rule-change rule character set rule checker rule checking rule compilation rule-compiler rule complexity rule conferring power rule conferring rihgt rule connection graph rule curve 荷2 荷3 荷4 荷枪实弹荸荹荺荻荻2 荼モトデモトドオリモトドリモトナリモトネモトヘモトミヤモトメモトメルモトモト