mother-and-daughterCOCA²⁵⁴³³⁷⁺⁶ 基本例句 🌏母女 Having completed reform in aspect of military products the company has endured deeply change in system of property rights and has basically formed a new mother-and-daughter company mechanism. 当前，泸州北方公司已完成军工改革脱困，产权制度已发生深刻的变革，新的母子公司的架构已基本形成。 fabiao