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1.This three-way coupling box is used to connect multiple cables together.
这个三通耦合盒用来连接多根电缆。
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2.The engineer installed the three-way coupling box before starting the project.
工程师在开始项目之前安装了三通耦合盒。
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3. The three-way coupling box is essential for maintaining the integrity of the electrical system.
三通耦合盒对于维护电气系统的完整性至关重要。