名词
中文翻译：Unknown
同义词：
['insulation', 'insulating material', 'electrical insulation例句：1. The wire covering was made of copper and covered the entire structure.（这种电线覆盖物是由铜制成的，覆盖了整个结构。）']
例句：
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1. The wire covering was made of copper and covered the entire structure.
这种电线覆盖物是由铜制成的，覆盖了整个结构。
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2. The electrician used a wire covering to protect the wiring during installation.
电工在安装过程中使用了电线覆盖物来保护电线。
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3. The wire covering is crucial for preventing short circuits and fire hazards.
电线覆盖物对于防止短路和火灾危险至关重要。