Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
protection ratio against lightning impulses
el. 雷电冲击保护率
el.gen. 雷电冲击保护比
protection ratio against lightning impulse
hydroel.st. 雷电冲击波保护比

 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