valve (heat) dissipation

• 电子管热扩散

英英释义

名词 valve:

1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

2. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

3. control consisting of a mechanical device for controlling the flow of a fluid

4. the entire one-piece shell of a snail and certain other molluscs

5. one of the paired hinged shells of certain molluscs and of brachiopods