phototube造句

• The electrons freed in the phototube cross over to the metal rod .
  光电管中被释放的电子从金属片渡越到金属杆上。
• These electrons cannot pass into the phototube because of the insulation on the metal plate .
  由于金属板上的绝缘层，这些电子并不能进入电光管。
• Detail specification for electronic components phototube of type gd - 24
  电子元器件详细规范. gd - 24型光电管
• The multiplication system of the electron - multiplier phototube is based on electronic voltage . so , it is especially important to choose a suitable pmt and reasonably design pmt disparted - voltage - device
  经分析比较各种型号光电倍增管的性能及特点，本文采用emi公司双碱阴极的9789qb管型光电倍增管。