1 ผลลัพธ์ สำหรับ
thermionic vacuum tube
ลองค้นหาคำในรูปแบบอื่น: -thermionic vacuum tube-, *thermionic vacuum tube*WordNet (3.0)WordNet (3.0)
(n)electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope, Syn.electron tube, vacuum tube, thermionic vacuum tube, thermionic valve, thermionic tube
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