... gas hot water heater 燃气热水器 Gas storage water heater 燃气容积式热水器 automatic gas fired water heater 自动煤气燃烧的水加热器 ...
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gas hot-water heater 燃气热水器
gas s hot-water heater 燃气热水器
gas-fired hot water heater 燃气热水炉
gas heatergas hot-water heater 燃气热水器
hot water breathing gas heater 热水式呼吸气加热器
Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a long period of time (generally two weeks or more.)
长期(一般是两星期以上)没有使用的热水器所连接的热水管道系统可能会产生氢气。
The individual heating system with gas-fired hot water heater and the heating system with gas-fired hot water boiler are introduced.
介绍了燃气热水炉单户供暖系统和燃气热水锅炉供暖系统，分析了供暖系统的调节方式。
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