household-basedCOCA¹⁵⁴⁵⁴¹BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 🌏基础 The significance and effect of household-based heat metering in practice are introduced briefly and the main forms of household-based heat metering are analyzed. 简要介绍分户热计量的意义及其节能效果,并分析分户热计量系统的主要形式。 www.qikan.com.cn