Should first bonding wire brush to remove sediment from the bottom surface, and then immediately sprayed coating job.

应先用钢丝刷刷去除粘结底层表面的沉积物，然后立即喷涂工作涂层。

youdao

Should first bonding wire brush to remove sediment from the bottom surface, and then immediately sprayed coating job.

应先用钢丝刷刷去除粘结底层表面的沉积物，然后立即喷涂工作涂层。

youdao