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1. The insulated joint checker is used to inspect the integrity of electrical connections.
绝缘接头检查器用于检查电气连接的完整性。
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2. The engineer used the insulated joint checker to ensure the safety of the installation.
工程师使用绝缘接头检查器来确保安装的安全性。
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3. The insulated joint checker was a valuable tool for identifying potential issues with the electrical system.
绝缘接头检查器是识别电气系统潜在问题的重要工具。