... one pipe circulation 单管式循环 one pipe heating system 单管供热系统 one pipe loop system 单管环路系统 ...
基于180个网页-相关网页
... single pipe heating system 单管供热系统 water pipe grounding system 水管接地制 two pipe heating system 双管供热系统 ...
基于102个网页-相关网页
单管热水供应系统 one-pipeline hot water system ; single pipe system of hotwater ; pipeline hot water system ; single pipe system of hot water supply
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