collector bow 集电弓
bow pantograph collector 弓型滑接器
detachment of bow current collector 电车脱弓
bow w collector 集电弓
以上来源于: WordNet
N a sliding current collector, consisting of a bow-shaped strip mounted on a hinged framework, used on trains, etc, to collect current from an overhead-wire (火车等的)弓形集电滑接器
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