cylinder基本解释
n,圆筒；汽缸；[数]柱面；圆柱状物,同近
The gases are stored in cylinders..气体储存在圆筒内。
圆筒；柱（面）；汽缸英释nna shape, object, or container with circular ends and long straight sides
hydraulic cylinder,液压缸；液缸；油唧.短语
