fire-back boiler 中文意思是什麼
fire-back boiler
解釋
櫥灶-
Specification for safety and rational use of energy of domestic gas appliances - combined appliances - gas fire back boiler
家用燃氣用具能量的合理使用和安全性規范.組合設備.燃氣鍋爐家用熱水爐
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