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efficiency testing

agric. 效能测定; 生产性能测定
tech. 效率测定; 生产率测定
efficiency test [ɪ'fɪʃənsɪ test]
auto. 效率测试确定有效系数试验
efficiency testing
: 11 phrases in 9 subjects
Agriculture1
Automobiles2
China1
Electricity1
Metallurgy1
Scientific1
Shipbuilding1
Statistics1
Technology2

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