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working period
auto. 发动机做功燃烧周期; 工作循环
econ. 劳动期间
el. 工作期; 运行期
met. 工作周期; 工作时间
working periods
agric., busin. 经理期间
working period
: 11 phrases in 6 subjects
Business1
Electric machinery1
Electronics2
Rail transport1
Sports1
Technology5