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美国伦敦中心区西敏寺城市委员会宣称,已制订了收集垃圾和清洗街道的新环境标准,并展示了50辆新的内燃机引擎垃圾车。
The Westminster City Council in Central London claims that new environmental standards have been put in place to collect rubbish and clean streets and showcase 50 new engines for internal combustion engines.