合理化建议
rationalization suggestion
rationalization proposals
管理合理化
rationalization of management
4-取代丁内酯类新化合物
chiral 4-substituted-butyrolactone derivative
MoO3复合化合物
molybdenum-trioxide mixed compounds
操作合理化
rationalization of operation
operation rationalization
产品设计合理化
product design rationalization
产业合理化
rationalization of industry
多环稠合化合物
fused polycyclic compounds
工业合理化
industrial rationalization
耗能合理化管理
rationalization management