名词
中文翻译：固定线路操作同义词
同义词：
['fixed-line service', 'fixed-line communication']
例句：
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1. The company's new router is designed for fixed-line operations.
该公司的新路由器是为固定线路操作设计的。
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2. The engineers were fixing the broken lines on the road to facilitate fixed-line operations.
工程师们正在修复道路上的断线，以便于进行固定线路操作。
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3. The fixed-line operation requires a secure connection between the two networks.
固定线路操作需要两个网络之间有安全的连接。