Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
17:10 Sep 22, 2011
English to Arabic translations [PRO] Science - Physics
English term or phrase:zero-bias tube
Vacuum tube which is designed so that it may be operated as a class B amplifier without applying a negative bias to its control grid.