Uses various instruments to check or test circuitry.

使用各类工具仪器来检查和测试电路。

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The circuitry may be rearranged for the purpose of the test to reduce the likelihood of solid state component damage while retaining the representative dielectric stress on the circuit.

有获得的电介质应力集中在电路时，为了测试，可以将电路重新安排，以减少固态组件受损的可能性。

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When a test train this week was parked in the same location, the control circuitry did not signal that it was there.

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