壁压

研究发现面积收缩率对流态、泄流量、壁面压强和空腔内的气体压强均有较大的影响。

Great Wall, China

wall screen

container wall

Panax pseudo-ginseng Wall.

bricks with tongue and groove, wall

Thunbergia coccinea Wall.;scarlet clockvine

wall, pleated

paries tegmentalis【解剖】;tegmental wall【解剖】;