The roller rolls up the door leaf, and abating the noise by sealing brush in the track.

上方滚轴卷起门帘，两侧导轨内镶以密封毛刷，减少噪音。

youdao

The device comprises a workpiece to be plated, a workpiece clamping sealing device, a plating pen special for inner bore brush plating, and a plating pen rotary actuator.

该装置包括待镀工件、工件装夹密封装置、内孔刷镀专用镀笔、镀笔转动装置。

youdao

The device comprises a workpiece to be plated, a workpiece clamping sealing device, a plating pen special for inner bore brush plating, and a plating pen rotary actuator.

该装置包括待镀工件、工件装夹密封装置、内孔刷镀专用镀笔、镀笔转动装置。

youdao