名词中文翻译
中文翻译：封闭线路
同义词：
['closed circuit', 'closed loop例句：1. The engineer drew a closed line on the map to indicate the route.（工程师在地图上画了一条线，以指示路线。）2. The company implemented a closed-loop system to reduce waste.（公司实施了一个闭环系统，以减少浪费。）']
例句：
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1. The engineer drew a closed line on the map to indicate the route.
工程师在地图上画了一条线，以指示路线。
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2. The company implemented a closed-loop system to reduce waste.
公司实施了一个闭环系统，以减少浪费。
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3. The closed line is essential for maintaining safety in construction sites.
封闭线路对于保持建筑工地的安全至关重要。