traffic noiseＩ短语⁵⁷⁴⁹⁸ 基本例句 交通噪音 The results show that medium-type coach and small vehicle possess similar levels of single vehicle traffic noise, and the large coach and medium-type truck possess the similar noise levels. 研究表明，中型客车与小型车单车交通噪声源强相近，大型客车与中型货车单车交通噪声源强相近。 cnki