... low-medium pressure pipe 低中压锅炉管 LG low-pressure gas pipe 低压燃气管道 low-pressure blow-pipe 低压焊炬 ...
基于14个网页-相关网页
low pressure gas pipeline
... 中压B燃气管道 medium pressure B gas pipeline 低压燃气管道 low pressure gas pipeline 一级管网 single stage network ...
基于10个网页-相关网页