boilern.锅炉;汽锅;热水器
boiler wall锅炉壁
boiler cock[机] 锅炉用旋塞
boiler works锅炉厂
boiler paint锅炉漆
boiler space锅炉房
boiler sheet锅炉筒钢皮
boiler tubes锅炉“四管”
boiler alarm锅炉警报器,缺水报警器
Boiler proer锅炉本体
boiler water锅炉水,锅炉用水