อังกฤษ-ไทย: คลังศัพท์ไทย โดย สวทช. คลังศัพท์ไทย (สวทช.)
วงจรขยายชนิดหลอดสุญญากาศ [TU Subject Heading]
โวลต์มิเตอร์ชนิดหลอดสุญญากาศ [TU Subject Heading]
หลอดสุญญากาศ [TU Subject Heading]
เพิ่มคำศัพท์
ทราบความหมายของคำศัพท์นี้? กด [เพิ่มคำศัพท์] เพื่อใส่คำนี้พร้อมความหมาย เพื่อเป็นวิทยาทานแก่ผู้ใช้ท่านอื่น ๆ
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