Article 2 The fuel gas referred to in these Regulations means the gas fuel such as artificial coal gas, natural gas, and liquefied petroleum gas (hereinafter called LPG.是什么意思_Article 2 The fuel gas referred to in these Regulations means the gas fuel such as artificial coal gas, natural gas, and liquefied petroleum gas (hereinafter called LPG.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句