保證真空
英語翻譯
【化】 guaranteed vacuum
分詞翻譯
保證的英語翻譯:
guarantee; assure; certify; warrant; ensure; pledge; secure; assurance
guaranty; surety; warranty
【經】 assurance; endorsement; guarantee; guaranty; recognizance; scure
secure; security; surely
真空的英語翻譯:
vacuum; void
【化】 vacuum
【醫(yī)】 vacuum