the gas fired boiler的用法和樣例：
例句
- Vent Flares are typically used on landfill gas vents, wells, or leachate system cleanout lines to combust flammable gases.
太陽能點火燃燒器主要使用在垃圾填埋場的氣體出口，井或滲漏系統來燃燒氣體。 - Select the Company solar water heaters, hot water boiler, steam boilers, burners and accessories sales and installation of repair operations.
本公司專責太陽能熱水器，熱水鍋爐，蒸汽鍋爐，燃燒器及配件銷售和安裝維修業務。
