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working efficiency ['wɜ:kɪŋɪ'fɪʃ(ə)nsɪ]
auto. 负荷率
chem. 加工效率
manag. 工作效率
tech. 作业效率; 操作效率
working efficiency: 5 phrases in 5 subjects
Economy1
Geophysics1
Metallurgy1
Name of organization1
Technology1