名词短语
中文翻译：分级绝缘导线
同义词：
['grade-insulated wire', 'graded insulation wire']
例句：
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1. The new power line isdesigned to be more efficient and safer thanthe old one.
这款新型电线设计得比旧款更高效、更安全。
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2. The engineercarefully graded the insulation onthe wire to ensure it was even andfree of defects.
工程师仔细地对电线的绝缘层进行分级，以确保其均匀且无缺陷。
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3.The graded insulationwire is used in high-voltage electrical systems to prevent short circuits and improve safety.
分级绝缘线用于高压电气系统中，以防止短路并提高安全性。