Scrub scrub car device is a large uprightcylinder, above the bar with hundreds of little cloth.
擦洗汽车的擦洗器是一个直立的大圆柱体，上面扎有成百上千条小布条。
2
A cylinder (Fig. 1) is a hollow tube with a closed concave base that permits the cylinder to stand upright.
钢瓶(图1)是中空的管道，封闭的底部是凹入的，这样可以直立起来。
3
When a cylinder with this valve configuration is in the upright position, the inlet of the tube is immersed in liquid and the liquid phase will be removed.