gas hot-water heater
常見例句
- The individual heating system with gas-fired hot water heater and the heating system with gas-fired hot water boiler are introduced.
介紹了燃?xì)鉄崴疇t單戶供暖系統(tǒng)和燃?xì)鉄崴仩t供暖系統(tǒng)，分析了供暖系統(tǒng)的調(diào)節(jié)方式。 返回 gas hot-water heater