tetreode
... 四级风 boderate breeze 四级管 quadrode; tetreode; tetrode 四级脉 quaternary vein ...
tetrode
... 四级风 boderate breeze 四级管 quadrode; tetreode; tetrode 四级脉 quaternary vein ...
quadrode
... 四级风 boderate breeze 四级管 quadrode; tetreode; tetrode 四级脉 quaternary vein ...