shunt-trip attachment 分路跳闸机构
trip attachment
旅行附件
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.
对于后备保护装置防止高阻抗接地故障，将配置一只双极方向过电流继电器，同瞬时跳闸附件的时间成反比。
youdao
Your e-mail attachment will be a 30-minute movie of your nephew's Disneyland trip--a gigabit attachment.
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