您要查找的是不是：
- double gun oscilloscope tube 双枪示波管
- double gun and dual trace oscilloscope tube 双枪双迹示波管
- travelling-wave oscilloscope tube 行波示波管
- polar coordinate oscilloscope tube 极坐标示波管
- long persistence oscilloscope tube 长系辉示波管
- high brightness oscilloscope tube 高音度示波管
- sectioned Y-deflection plate oscilloscope tube 垂直偏转板分段式示波管
- long-persistence cathode-ray oscilloscope tube 长余辉阴极射线示波管
- high writing speed oscilloscope tube 高记录速度示波管
- The bullet was expelled from the gun. 子弹从枪中射出。
- post-deflection focus oscilloscope tube 后偏转聚焦示波管
- Cartridges are ejected from the gun after firing. 开枪后子弹从枪膛里弹出去。
- wave-modulated oscilloscope tube 波调示波管
- high resolution oscilloscope tube 高分辨率示波管
- He snatched up his gun and fired. 他突然拿起枪来射击。
- A man with a gun is shooting at the crowds. 有一持枪男子向人群射击。
- high writing-speed oscilloscope tube 高记录速度示波管
- The police asked me if I possessed a gun. 警察问我是否有枪。
- post-acceleration oscilloscope tube 后加速示波管
- Don't try mixing it with me-- I've got a gun! 别想跟我打架－－我可有枪。
