rundlet桶

gun barrel───枪筒；炮筒；油水分离罐

multibarrel───多管式的；多管的

single-barrel───单管

undebarred───不受限制的

cylinder barrel───缸筒，汽缸筒

tumbling barrel───滚筒；滚光机；串筒；清理滚筒

beer barrel───啤酒桶

biscuit barrel───饼干桶

core barrel───[油气]钻管；心管