| 摘要 |
a high voltage switching part which discharges to experiment braun tube by receiving high pressure at the braun tube charged with high pressure; a switching driving part which drives the switching part; a controlling part which controls the operation of the switching part; a testing time and time setting part which sets the testing time and time to the controlling part; a power source providing part which provides operating power to the controlling part; and a power inputting part which inputs power to the switching part and power source providing part.
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