... 保护绝缘的 fully insulated 保护绝缘，外绝缘 protective insulation 外绝缘，外部绝缘，保护绝缘 outer insulation ...
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聚苯乙烯泡沫塑料应被用于保护绝缘。
此外，家长保护过度孩子，使他们与压力绝缘，不让他们受委屈，这也是不好的。
And it's not good for parents to protect their children from every pressure and discomfort.
如果你不想更换扬声器音频线，或者只想在现在绝缘层外面增加一些保护的话，那就在线缆的两端加上扼流铁芯。
If you don't want to replace your speaker cables, or just want a little extra protection on top of the current insulation, place ferrite choke cores around each end of the cable.
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