相關(guān)單詞近義詞 electron tube 真空琯, tube 琯子, thermionic tube [物]熱離子琯..., thermionic vacuum tube 熱離子真空琯..., vacuum tube 真空琯臨近詞the Xue's, the, The settlers irrigated the aridland., the ethyl alcohol precipitation method, the custom of having Spring-festival, the shareholder represents the lawsuit, the forceful suppression of minorities, the rationalization of power structure, the translation of Buddhist Scriptures, the gas adjustment maintains freshness, the method of undetermined coefficient, The long-distance bus runs hourly. 返回 thermionic valve