同义词： pipe fitting
pipefitting contractor管道安装工承包商;管道安装承包商
Pipefitting Technician管件技师
Basic pipefitting ability基本的管道安装知识
同义词：pipe fitting
N（名词） the act or process of bending, cutting to length, and joining pipes 管道修理
N（名词） the branch of plumbing involving this 管道配件