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Friction voltage test

Test method: A, that before the test two was measured and the surrounding environment is not charged; B and friction process is not affected by the impact of other objects in the world; C, fetching tool (forceps, gloves, etc.), and does not affect the electrostatic level test; D, electrostatic can to maintain a certain period of time, in order to be able to read the data.

2016-03-05

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