... 燃气压力调节器：gas pressure regulator 燃气的单元加热器：gas fired unit heater 燃料加热器：fuel heater ...
基于148个网页-相关网页
gas fired unit hedined onr
... gas fired stove 煤气火炉 gas fired unit hedined onr 燃气的单元加热器 gas fitter 煤气工 ...
基于1个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress