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单词exhaust emission
例句 DEFINITIVE EXAMPLES 权威例句〔TIME〕The sensor uses an infrared beam to ‘read’ a vehicle's exhaust emissions as it drives past. 感应器使用红外线光束对驶过车辆排出的废气进行“审读”。朗文写作活用〔emission〕Their aim is to reduce the toxic levels of vehicle exhaust emissions.他们的目标是降低汽车排放尾气的毒性。外研社新世纪They have agreed on a permissible (= acceptable) level for vehicle exhaust emissions.他们就汽车排放废气限量达成了一致意见。剑桥国际
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