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；

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;

youdao

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；

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;

youdao