短語(yǔ)詞組短語(yǔ)fuel gas feed pipe 燃?xì)夤?yīng)琯Fuel gas pipe network 燃?xì)猬g網(wǎng)plant area fuel gas pipe 廠區(qū)燃?xì)猬g道boiler house fuel gas pipe 鍋爐房燃?xì)猬g道 返回 gas fuel pipe