名词
中文翻译：防护管
同义词：
['protective casing', 'shield tube', 'protective tube']
例句：
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1. The shield-row tube is used to protect the cable from damage during installation.
护套管用于在安装过程中保护电缆免受损坏。
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2. The shield-row tube is an essential component of the electrical system.
护套管是电气系统的一个必不可少的组成部分。
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3. The shield-row tube is designed to prevent electromagnetic interference in the cable.
护套管设计用来防止电缆中的电磁干扰。