供应链 HSK 7-9 gōngyìngliàn supply chain Examples 供应链管理 gōngyìngliàn guǎnlǐ Supply chain management. 供应链中断 gōngyìngliàn zhōngduàn Supply chain disruption. 优化供应链 yōuhuà gōngyìngliàn Optimize the supply chain.