Gas-generatingEconomist⁵³⁵⁸¹⁺¹ 基本例句 🌏造气 Natural gas has multi- origin compared with oil, which can be expressed as multiple genetic types, multiple gas genetic models and multiple occurrences of gas-generating material. 天然气和石油的形成相比具有多种地质来源性，表现在成因类型的多样性、成气机制的多样性和成气母质赋存状态的多样性。 dictall