| 释义 |
〔piping〕A system of pipes, such as those used in plumbing.管道，管线，管道网：一管道系统，如那些用来铺设铅管的〔pipeline〕To convey by or as if by a system of pipes.用管道输送：通过或似通过管道系统传送〔ducting〕A duct or system of ducts.管道或管道系统〔pipefitting〕A trade that deals with the installation and repair of piping systems.管道安装业务：一种安装和修理管道系统有关的业务〔ductwork〕installed new ductwork in the building.在建筑物里安装新的管道系统 |