Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
to phrases
frequency constraint ['frɪ,kwənsɪ kən'streɪnt]
oil 频率约束
frequency constraint
: 1 phrase in 1 subject
Aviation1

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips