Abrupt insulation changes cause very large concentrated electrical stresses. These stresses can be eliminated by terminating the cable above ground in an expensive device known as pothead "."

绝缘层的突变（指电缆端部）引起非常大的集中的电应力（电场强度），这可通过电缆穿出地面时采用昂贵的称为“电缆头”的端部来消除。

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Abrupt insulation changes cause very large concentrated electrical stresses. These stresses can be eliminated by terminating the cable above ground in an expensive device known as pothead "."

绝缘层的突变（指电缆端部）引起非常大的集中的电应力（电场强度），这可通过电缆穿出地面时采用昂贵的称为“电缆头”的端部来消除。

youdao