n. 管料, 管道系统, 管状组织

[化] 管工; 管材; 管线; 管道; 管道系统; 铺设管道

n conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

v provide with a tube or insert a tube into

v convey in a tube

v ride or float on an inflated tube

v place or enclose in a tube