supply channel短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 供水渠 The energy is the basis of national economy, thus, insufficient supply in volume or unsteady supply channel of energy will affect the national economy development and security. 能源是国民经济的基本支柱，能源供应不足或供应来源受到威胁都将直接影响国民经济发展和国家安全。 cnki