The hand-held asphalt-spraying device includes a nozzle, the rear end of which is connected with an asphalt pump via a hose and the front end of which is provided with a spray head.
该装置包括有一个喷 管，喷管的后端通过软管与沥青泵连接，喷管的前端安装有喷头。
The hand-held asphalt-spraying device includes a nozzle, the rear end of which is connected with an asphalt pump via a hose and the front end of which is provided with a spray head.
该装置包括有一个喷 管，喷管的后端通过软管与沥青泵连接，喷管的前端安装有喷头。
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