设备金属外壳
Metal casing of the equipment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
高压施加于被试的两个相互绝缘的部件之间，例如被试设备的主电路与其金属外壳。
High voltage is applied between the two parts across the insulation being tested, such as the primary circuit and metal enclosure of the equipment under test (EUT).
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