英语词典
The device is composed of an asphalt-conveying pipeline, an asphalt-spraying pipeline and a compressed air-conveying pipeline, which are connected together by a tee coupling;
该装置由沥青输送管路、沥青喷洒管路和压缩空气输送管路组成,这三部分管路通过一个三通接头进行连接;
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