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Electric circuits considered as a group.
被看成一个群体的羚羊。
youdao
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They must be protected from electric shock and contact with hazardous live circuits.
必须能够防止电击以及接触危险的带电电路。
youdao
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They must be protected from electric shock and contact with hazardous live circuits.
必须能够防止电击以及接触危险的带电电路。
youdao